Team:Hong Kong HKUST/jquery3.2.1
/*!
* jQuery JavaScript Library v3.2.1 * https://jquery.com/ * * Includes Sizzle.js * https://sizzlejs.com/ * * Copyright JS Foundation and other contributors * Released under the MIT license * https://jquery.org/license * * Date: 2017-03-20T18:59Z */
( function( global, factory ) {
"use strict";
if ( typeof module === "object" && typeof module.exports === "object" ) {
// For CommonJS and CommonJS-like environments where a proper `window` // is present, execute the factory and get jQuery. // For environments that do not have a `window` with a `document` // (such as Node.js), expose a factory as module.exports. // This accentuates the need for the creation of a real `window`. // e.g. var jQuery = require("jquery")(window); // See ticket #14549 for more info. module.exports = global.document ? factory( global, true ) : function( w ) { if ( !w.document ) { throw new Error( "jQuery requires a window with a document" ); } return factory( w ); }; } else { factory( global ); }
// Pass this if window is not defined yet } )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1 // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common // enough that all such attempts are guarded in a try block. "use strict";
var arr = [];
var document = window.document;
var getProto = Object.getPrototypeOf;
var slice = arr.slice;
var concat = arr.concat;
var push = arr.push;
var indexOf = arr.indexOf;
var class2type = {};
var toString = class2type.toString;
var hasOwn = class2type.hasOwnProperty;
var fnToString = hasOwn.toString;
var ObjectFunctionString = fnToString.call( Object );
var support = {};
function DOMEval( code, doc ) { doc = doc || document;
var script = doc.createElement( "script" );
script.text = code; doc.head.appendChild( script ).parentNode.removeChild( script ); } /* global Symbol */ // Defining this global in .eslintrc.json would create a danger of using the global // unguarded in another place, it seems safer to define global only for this module
var version = "3.2.1",
// Define a local copy of jQuery jQuery = function( selector, context ) {
// The jQuery object is actually just the init constructor 'enhanced' // Need init if jQuery is called (just allow error to be thrown if not included) return new jQuery.fn.init( selector, context ); },
// Support: Android <=4.0 only // Make sure we trim BOM and NBSP rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
// Matches dashed string for camelizing rmsPrefix = /^-ms-/, rdashAlpha = /-([a-z])/g,
// Used by jQuery.camelCase as callback to replace() fcamelCase = function( all, letter ) { return letter.toUpperCase(); };
jQuery.fn = jQuery.prototype = {
// The current version of jQuery being used jquery: version,
constructor: jQuery,
// The default length of a jQuery object is 0 length: 0,
toArray: function() { return slice.call( this ); },
// Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) {
// Return all the elements in a clean array if ( num == null ) { return slice.call( this ); }
// Return just the one element from the set return num < 0 ? this[ num + this.length ] : this[ num ]; },
// Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems ) {
// Build a new jQuery matched element set var ret = jQuery.merge( this.constructor(), elems );
// Add the old object onto the stack (as a reference) ret.prevObject = this;
// Return the newly-formed element set return ret; },
// Execute a callback for every element in the matched set. each: function( callback ) { return jQuery.each( this, callback ); },
map: function( callback ) { return this.pushStack( jQuery.map( this, function( elem, i ) { return callback.call( elem, i, elem ); } ) ); },
slice: function() { return this.pushStack( slice.apply( this, arguments ) ); },
first: function() { return this.eq( 0 ); },
last: function() { return this.eq( -1 ); },
eq: function( i ) { var len = this.length, j = +i + ( i < 0 ? len : 0 ); return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] ); },
end: function() { return this.prevObject || this.constructor(); },
// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: push, sort: arr.sort, splice: arr.splice };
jQuery.extend = jQuery.fn.extend = function() { var options, name, src, copy, copyIsArray, clone, target = arguments[ 0 ] || {}, i = 1, length = arguments.length, deep = false;
// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target;
// Skip the boolean and the target target = arguments[ i ] || {}; i++; }
// Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction( target ) ) { target = {}; }
// Extend jQuery itself if only one argument is passed if ( i === length ) { target = this; i--; }
for ( ; i < length; i++ ) {
// Only deal with non-null/undefined values if ( ( options = arguments[ i ] ) != null ) {
// Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ];
// Prevent never-ending loop if ( target === copy ) { continue; }
// Recurse if we're merging plain objects or arrays if ( deep && copy && ( jQuery.isPlainObject( copy ) || ( copyIsArray = Array.isArray( copy ) ) ) ) {
if ( copyIsArray ) { copyIsArray = false; clone = src && Array.isArray( src ) ? src : [];
} else { clone = src && jQuery.isPlainObject( src ) ? src : {}; }
// Never move original objects, clone them target[ name ] = jQuery.extend( deep, clone, copy );
// Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } }
// Return the modified object return target; };
jQuery.extend( {
// Unique for each copy of jQuery on the page expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
// Assume jQuery is ready without the ready module isReady: true,
error: function( msg ) { throw new Error( msg ); },
noop: function() {},
isFunction: function( obj ) { return jQuery.type( obj ) === "function"; },
isWindow: function( obj ) { return obj != null && obj === obj.window; },
isNumeric: function( obj ) {
// As of jQuery 3.0, isNumeric is limited to // strings and numbers (primitives or objects) // that can be coerced to finite numbers (gh-2662) var type = jQuery.type( obj ); return ( type === "number" || type === "string" ) &&
// parseFloat NaNs numeric-cast false positives ("") // ...but misinterprets leading-number strings, particularly hex literals ("0x...") // subtraction forces infinities to NaN !isNaN( obj - parseFloat( obj ) ); },
isPlainObject: function( obj ) { var proto, Ctor;
// Detect obvious negatives // Use toString instead of jQuery.type to catch host objects if ( !obj || toString.call( obj ) !== "[object Object]" ) { return false; }
proto = getProto( obj );
// Objects with no prototype (e.g., `Object.create( null )`) are plain if ( !proto ) { return true; }
// Objects with prototype are plain iff they were constructed by a global Object function Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor; return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString; },
isEmptyObject: function( obj ) {
/* eslint-disable no-unused-vars */ // See https://github.com/eslint/eslint/issues/6125 var name;
for ( name in obj ) { return false; } return true; },
type: function( obj ) { if ( obj == null ) { return obj + ""; }
// Support: Android <=2.3 only (functionish RegExp) return typeof obj === "object" || typeof obj === "function" ? class2type[ toString.call( obj ) ] || "object" : typeof obj; },
// Evaluates a script in a global context globalEval: function( code ) { DOMEval( code ); },
// Convert dashed to camelCase; used by the css and data modules // Support: IE <=9 - 11, Edge 12 - 13 // Microsoft forgot to hump their vendor prefix (#9572) camelCase: function( string ) { return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase ); },
each: function( obj, callback ) { var length, i = 0;
if ( isArrayLike( obj ) ) { length = obj.length; for ( ; i < length; i++ ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } } else { for ( i in obj ) { if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) { break; } } }
return obj; },
// Support: Android <=4.0 only trim: function( text ) { return text == null ? "" : ( text + "" ).replace( rtrim, "" ); },
// results is for internal usage only makeArray: function( arr, results ) { var ret = results || [];
if ( arr != null ) { if ( isArrayLike( Object( arr ) ) ) { jQuery.merge( ret, typeof arr === "string" ? [ arr ] : arr ); } else { push.call( ret, arr ); } }
return ret; },
inArray: function( elem, arr, i ) { return arr == null ? -1 : indexOf.call( arr, elem, i ); },
// Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit merge: function( first, second ) { var len = +second.length, j = 0, i = first.length;
for ( ; j < len; j++ ) { first[ i++ ] = second[ j ]; }
first.length = i;
return first; },
grep: function( elems, callback, invert ) { var callbackInverse, matches = [], i = 0, length = elems.length, callbackExpect = !invert;
// Go through the array, only saving the items // that pass the validator function for ( ; i < length; i++ ) { callbackInverse = !callback( elems[ i ], i ); if ( callbackInverse !== callbackExpect ) { matches.push( elems[ i ] ); } }
return matches; },
// arg is for internal usage only map: function( elems, callback, arg ) { var length, value, i = 0, ret = [];
// Go through the array, translating each of the items to their new values if ( isArrayLike( elems ) ) { length = elems.length; for ( ; i < length; i++ ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } }
// Go through every key on the object, } else { for ( i in elems ) { value = callback( elems[ i ], i, arg );
if ( value != null ) { ret.push( value ); } } }
// Flatten any nested arrays return concat.apply( [], ret ); },
// A global GUID counter for objects guid: 1,
// Bind a function to a context, optionally partially applying any // arguments. proxy: function( fn, context ) { var tmp, args, proxy;
if ( typeof context === "string" ) { tmp = fn[ context ]; context = fn; fn = tmp; }
// Quick check to determine if target is callable, in the spec // this throws a TypeError, but we will just return undefined. if ( !jQuery.isFunction( fn ) ) { return undefined; }
// Simulated bind args = slice.call( arguments, 2 ); proxy = function() { return fn.apply( context || this, args.concat( slice.call( arguments ) ) ); };
// Set the guid of unique handler to the same of original handler, so it can be removed proxy.guid = fn.guid = fn.guid || jQuery.guid++;
return proxy; },
now: Date.now,
// jQuery.support is not used in Core but other projects attach their // properties to it so it needs to exist. support: support } );
if ( typeof Symbol === "function" ) { jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ]; }
// Populate the class2type map jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ), function( i, name ) { class2type[ "[object " + name + "]" ] = name.toLowerCase(); } );
function isArrayLike( obj ) {
// Support: real iOS 8.2 only (not reproducible in simulator) // `in` check used to prevent JIT error (gh-2145) // hasOwn isn't used here due to false negatives // regarding Nodelist length in IE var length = !!obj && "length" in obj && obj.length, type = jQuery.type( obj );
if ( type === "function" || jQuery.isWindow( obj ) ) { return false; }
return type === "array" || length === 0 || typeof length === "number" && length > 0 && ( length - 1 ) in obj; } var Sizzle = /*!
* Sizzle CSS Selector Engine v2.3.3 * https://sizzlejs.com/ * * Copyright jQuery Foundation and other contributors * Released under the MIT license * http://jquery.org/license * * Date: 2016-08-08 */
(function( window ) {
var i, support, Expr, getText, isXML, tokenize, compile, select, outermostContext, sortInput, hasDuplicate,
// Local document vars setDocument, document, docElem, documentIsHTML, rbuggyQSA, rbuggyMatches, matches, contains,
// Instance-specific data expando = "sizzle" + 1 * new Date(), preferredDoc = window.document, dirruns = 0, done = 0, classCache = createCache(), tokenCache = createCache(), compilerCache = createCache(), sortOrder = function( a, b ) { if ( a === b ) { hasDuplicate = true; } return 0; },
// Instance methods hasOwn = ({}).hasOwnProperty, arr = [], pop = arr.pop, push_native = arr.push, push = arr.push, slice = arr.slice, // Use a stripped-down indexOf as it's faster than native // https://jsperf.com/thor-indexof-vs-for/5 indexOf = function( list, elem ) { var i = 0, len = list.length; for ( ; i < len; i++ ) { if ( list[i] === elem ) { return i; } } return -1; },
booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
// Regular expressions
// http://www.w3.org/TR/css3-selectors/#whitespace whitespace = "[\\x20\\t\\r\\n\\f]",
// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace + // Operator (capture 2) "*([*^$|!~]?=)" + whitespace + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + "*\\]",
pseudos = ":(" + identifier + ")(?:\\((" + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: // 1. quoted (capture 3; capture 4 or capture 5) "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + // 2. simple (capture 6) "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + // 3. anything else (capture 2) ".*" + ")\\)|)",
// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter rwhitespace = new RegExp( whitespace + "+", "g" ), rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ), rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
rpseudo = new RegExp( pseudos ), ridentifier = new RegExp( "^" + identifier + "$" ),
matchExpr = { "ID": new RegExp( "^#(" + identifier + ")" ), "CLASS": new RegExp( "^\\.(" + identifier + ")" ), "TAG": new RegExp( "^(" + identifier + "|[*])" ), "ATTR": new RegExp( "^" + attributes ), "PSEUDO": new RegExp( "^" + pseudos ), "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + "*(\\d+)|))" + whitespace + "*\\)|)", "i" ), "bool": new RegExp( "^(?:" + booleans + ")$", "i" ), // For use in libraries implementing .is() // We use this for POS matching in `select` "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" ) },
rinputs = /^(?:input|select|textarea|button)$/i, rheader = /^h\d$/i,
rnative = /^[^{]+\{\s*\[native \w/,
// Easily-parseable/retrievable ID or TAG or CLASS selectors rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
rsibling = /[+~]/,
// CSS escapes // http://www.w3.org/TR/CSS21/syndata.html#escaped-characters runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ), funescape = function( _, escaped, escapedWhitespace ) { var high = "0x" + escaped - 0x10000; // NaN means non-codepoint // Support: Firefox<24 // Workaround erroneous numeric interpretation of +"0x" return high !== high || escapedWhitespace ? escaped : high < 0 ? // BMP codepoint String.fromCharCode( high + 0x10000 ) : // Supplemental Plane codepoint (surrogate pair) String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 ); },
// CSS string/identifier serialization // https://drafts.csswg.org/cssom/#common-serializing-idioms rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g, fcssescape = function( ch, asCodePoint ) { if ( asCodePoint ) {
// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER if ( ch === "\0" ) { return "\uFFFD"; }
// Control characters and (dependent upon position) numbers get escaped as code points return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " "; }
// Other potentially-special ASCII characters get backslash-escaped return "\\" + ch; },
// Used for iframes // See setDocument() // Removing the function wrapper causes a "Permission Denied" // error in IE unloadHandler = function() { setDocument(); },
disabledAncestor = addCombinator( function( elem ) { return elem.disabled === true && ("form" in elem || "label" in elem); }, { dir: "parentNode", next: "legend" } );
// Optimize for push.apply( _, NodeList ) try { push.apply( (arr = slice.call( preferredDoc.childNodes )), preferredDoc.childNodes ); // Support: Android<4.0 // Detect silently failing push.apply arr[ preferredDoc.childNodes.length ].nodeType; } catch ( e ) { push = { apply: arr.length ?
// Leverage slice if possible function( target, els ) { push_native.apply( target, slice.call(els) ); } :
// Support: IE<9 // Otherwise append directly function( target, els ) { var j = target.length, i = 0; // Can't trust NodeList.length while ( (target[j++] = els[i++]) ) {} target.length = j - 1; } }; }
function Sizzle( selector, context, results, seed ) { var m, i, elem, nid, match, groups, newSelector, newContext = context && context.ownerDocument,
// nodeType defaults to 9, since context defaults to document nodeType = context ? context.nodeType : 9;
results = results || [];
// Return early from calls with invalid selector or context if ( typeof selector !== "string" || !selector || nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
return results; }
// Try to shortcut find operations (as opposed to filters) in HTML documents if ( !seed ) {
if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) { setDocument( context ); } context = context || document;
if ( documentIsHTML ) {
// If the selector is sufficiently simple, try using a "get*By*" DOM method // (excepting DocumentFragment context, where the methods don't exist) if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
// ID selector if ( (m = match[1]) ) {
// Document context if ( nodeType === 9 ) { if ( (elem = context.getElementById( m )) ) {
// Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( elem.id === m ) { results.push( elem ); return results; } } else { return results; }
// Element context } else {
// Support: IE, Opera, Webkit // TODO: identify versions // getElementById can match elements by name instead of ID if ( newContext && (elem = newContext.getElementById( m )) && contains( context, elem ) && elem.id === m ) {
results.push( elem ); return results; } }
// Type selector } else if ( match[2] ) { push.apply( results, context.getElementsByTagName( selector ) ); return results;
// Class selector } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
push.apply( results, context.getElementsByClassName( m ) ); return results; } }
// Take advantage of querySelectorAll if ( support.qsa && !compilerCache[ selector + " " ] && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
if ( nodeType !== 1 ) { newContext = context; newSelector = selector;
// qSA looks outside Element context, which is not what we want // Thanks to Andrew Dupont for this workaround technique // Support: IE <=8 // Exclude object elements } else if ( context.nodeName.toLowerCase() !== "object" ) {
// Capture the context ID, setting it first if necessary if ( (nid = context.getAttribute( "id" )) ) { nid = nid.replace( rcssescape, fcssescape ); } else { context.setAttribute( "id", (nid = expando) ); }
// Prefix every selector in the list groups = tokenize( selector ); i = groups.length; while ( i-- ) { groups[i] = "#" + nid + " " + toSelector( groups[i] ); } newSelector = groups.join( "," );
// Expand context for sibling selectors newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context; }
if ( newSelector ) { try { push.apply( results, newContext.querySelectorAll( newSelector ) ); return results; } catch ( qsaError ) { } finally { if ( nid === expando ) { context.removeAttribute( "id" ); } } } } } }
// All others return select( selector.replace( rtrim, "$1" ), context, results, seed ); }
/**
* Create key-value caches of limited size
* @returns {function(string, object)} Returns the Object data after storing it on itself with
* property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
* deleting the oldest entry
*/
function createCache() { var keys = [];
function cache( key, value ) { // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) if ( keys.push( key + " " ) > Expr.cacheLength ) { // Only keep the most recent entries delete cache[ keys.shift() ]; } return (cache[ key + " " ] = value); } return cache; }
/**
* Mark a function for special use by Sizzle
* @param {Function} fn The function to mark
*/
function markFunction( fn ) { fn[ expando ] = true; return fn; }
/**
* Support testing using an element
* @param {Function} fn Passed the created element and returns a boolean result
*/
function assert( fn ) { var el = document.createElement("fieldset");
try { return !!fn( el ); } catch (e) { return false; } finally { // Remove from its parent by default if ( el.parentNode ) { el.parentNode.removeChild( el ); } // release memory in IE el = null; } }
/**
* Adds the same handler for all of the specified attrs
* @param {String} attrs Pipe-separated list of attributes
* @param {Function} handler The method that will be applied
*/
function addHandle( attrs, handler ) { var arr = attrs.split("|"), i = arr.length;
while ( i-- ) { Expr.attrHandle[ arr[i] ] = handler; } }
/**
* Checks document order of two siblings
* @param {Element} a
* @param {Element} b
* @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
*/
function siblingCheck( a, b ) { var cur = b && a, diff = cur && a.nodeType === 1 && b.nodeType === 1 && a.sourceIndex - b.sourceIndex;
// Use IE sourceIndex if available on both nodes if ( diff ) { return diff; }
// Check if b follows a if ( cur ) { while ( (cur = cur.nextSibling) ) { if ( cur === b ) { return -1; } } }
return a ? 1 : -1; }
/**
* Returns a function to use in pseudos for input types
* @param {String} type
*/
function createInputPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === type; }; }
/**
* Returns a function to use in pseudos for buttons
* @param {String} type
*/
function createButtonPseudo( type ) { return function( elem ) { var name = elem.nodeName.toLowerCase(); return (name === "input" || name === "button") && elem.type === type; }; }
/**
* Returns a function to use in pseudos for :enabled/:disabled
* @param {Boolean} disabled true for :disabled; false for :enabled
*/
function createDisabledPseudo( disabled ) {
// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable return function( elem ) {
// Only certain elements can match :enabled or :disabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled // https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled if ( "form" in elem ) {
// Check for inherited disabledness on relevant non-disabled elements: // * listed form-associated elements in a disabled fieldset // https://html.spec.whatwg.org/multipage/forms.html#category-listed // https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled // * option elements in a disabled optgroup // https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled // All such elements have a "form" property. if ( elem.parentNode && elem.disabled === false ) {
// Option elements defer to a parent optgroup if present if ( "label" in elem ) { if ( "label" in elem.parentNode ) { return elem.parentNode.disabled === disabled; } else { return elem.disabled === disabled; } }
// Support: IE 6 - 11 // Use the isDisabled shortcut property to check for disabled fieldset ancestors return elem.isDisabled === disabled ||
// Where there is no isDisabled, check manually /* jshint -W018 */ elem.isDisabled !== !disabled && disabledAncestor( elem ) === disabled; }
return elem.disabled === disabled;
// Try to winnow out elements that can't be disabled before trusting the disabled property. // Some victims get caught in our net (label, legend, menu, track), but it shouldn't // even exist on them, let alone have a boolean value. } else if ( "label" in elem ) { return elem.disabled === disabled; }
// Remaining elements are neither :enabled nor :disabled return false; }; }
/**
* Returns a function to use in pseudos for positionals
* @param {Function} fn
*/
function createPositionalPseudo( fn ) { return markFunction(function( argument ) { argument = +argument; return markFunction(function( seed, matches ) { var j, matchIndexes = fn( [], seed.length, argument ), i = matchIndexes.length;
// Match elements found at the specified indexes while ( i-- ) { if ( seed[ (j = matchIndexes[i]) ] ) { seed[j] = !(matches[j] = seed[j]); } } }); }); }
/**
* Checks a node for validity as a Sizzle context
* @param {Element|Object=} context
* @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
*/
function testContext( context ) { return context && typeof context.getElementsByTagName !== "undefined" && context; }
// Expose support vars for convenience support = Sizzle.support = {};
/**
* Detects XML nodes
* @param {Element|Object} elem An element or a document
* @returns {Boolean} True iff elem is a non-HTML XML node
*/
isXML = Sizzle.isXML = function( elem ) { // documentElement is verified for cases where it doesn't yet exist // (such as loading iframes in IE - #4833) var documentElement = elem && (elem.ownerDocument || elem).documentElement; return documentElement ? documentElement.nodeName !== "HTML" : false; };
/**
* Sets document-related variables once based on the current document
* @param {Element|Object} [doc] An element or document object to use to set the document
* @returns {Object} Returns the current document
*/
setDocument = Sizzle.setDocument = function( node ) { var hasCompare, subWindow, doc = node ? node.ownerDocument || node : preferredDoc;
// Return early if doc is invalid or already selected if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) { return document; }
// Update global variables document = doc; docElem = document.documentElement; documentIsHTML = !isXML( document );
// Support: IE 9-11, Edge // Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936) if ( preferredDoc !== document && (subWindow = document.defaultView) && subWindow.top !== subWindow ) {
// Support: IE 11, Edge if ( subWindow.addEventListener ) { subWindow.addEventListener( "unload", unloadHandler, false );
// Support: IE 9 - 10 only } else if ( subWindow.attachEvent ) { subWindow.attachEvent( "onunload", unloadHandler ); } }
/* Attributes ---------------------------------------------------------------------- */
// Support: IE<8 // Verify that getAttribute really returns attributes and not properties // (excepting IE8 booleans) support.attributes = assert(function( el ) { el.className = "i"; return !el.getAttribute("className"); });
/* getElement(s)By* ---------------------------------------------------------------------- */
// Check if getElementsByTagName("*") returns only elements support.getElementsByTagName = assert(function( el ) { el.appendChild( document.createComment("") ); return !el.getElementsByTagName("*").length; });
// Support: IE<9 support.getElementsByClassName = rnative.test( document.getElementsByClassName );
// Support: IE<10 // Check if getElementById returns elements by name // The broken getElementById methods don't pick up programmatically-set names, // so use a roundabout getElementsByName test support.getById = assert(function( el ) { docElem.appendChild( el ).id = expando; return !document.getElementsByName || !document.getElementsByName( expando ).length; });
// ID filter and find if ( support.getById ) { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { return elem.getAttribute("id") === attrId; }; }; Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var elem = context.getElementById( id ); return elem ? [ elem ] : []; } }; } else { Expr.filter["ID"] = function( id ) { var attrId = id.replace( runescape, funescape ); return function( elem ) { var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return node && node.value === attrId; }; };
// Support: IE 6 - 7 only // getElementById is not reliable as a find shortcut Expr.find["ID"] = function( id, context ) { if ( typeof context.getElementById !== "undefined" && documentIsHTML ) { var node, i, elems, elem = context.getElementById( id );
if ( elem ) {
// Verify the id attribute node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; }
// Fall back on getElementsByName elems = context.getElementsByName( id ); i = 0; while ( (elem = elems[i++]) ) { node = elem.getAttributeNode("id"); if ( node && node.value === id ) { return [ elem ]; } } }
return []; } }; }
// Tag Expr.find["TAG"] = support.getElementsByTagName ? function( tag, context ) { if ( typeof context.getElementsByTagName !== "undefined" ) { return context.getElementsByTagName( tag );
// DocumentFragment nodes don't have gEBTN } else if ( support.qsa ) { return context.querySelectorAll( tag ); } } :
function( tag, context ) { var elem, tmp = [], i = 0, // By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too results = context.getElementsByTagName( tag );
// Filter out possible comments if ( tag === "*" ) { while ( (elem = results[i++]) ) { if ( elem.nodeType === 1 ) { tmp.push( elem ); } }
return tmp; } return results; };
// Class Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) { if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) { return context.getElementsByClassName( className ); } };
/* QSA/matchesSelector ---------------------------------------------------------------------- */
// QSA and matchesSelector support
// matchesSelector(:active) reports false when true (IE9/Opera 11.5) rbuggyMatches = [];
// qSa(:focus) reports false when true (Chrome 21) // We allow this because of a bug in IE8/9 that throws an error // whenever `document.activeElement` is accessed on an iframe // So, we allow :focus to pass through QSA all the time to avoid the IE error // See https://bugs.jquery.com/ticket/13378 rbuggyQSA = [];
if ( (support.qsa = rnative.test( document.querySelectorAll )) ) { // Build QSA regex // Regex strategy adopted from Diego Perini assert(function( el ) { // Select is set to empty string on purpose // This is to test IE's treatment of not explicitly // setting a boolean content attribute, // since its presence should be enough // https://bugs.jquery.com/ticket/12359 docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" + "<select id='" + expando + "-\r\\' msallowcapture=>" + "<option selected=></option></select>";
// Support: IE8, Opera 11-12.16 // Nothing should be selected when empty strings follow ^= or $= or *= // The test attribute must be unknown in Opera but "safe" for WinRT // https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section if ( el.querySelectorAll("[msallowcapture^=]").length ) { rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:|\"\")" ); }
// Support: IE8 // Boolean attributes and "value" are not treated correctly if ( !el.querySelectorAll("[selected]").length ) { rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" ); }
// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+ if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) { rbuggyQSA.push("~="); }
// Webkit/Opera - :checked should return selected option elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked // IE8 throws error here and will not see later tests if ( !el.querySelectorAll(":checked").length ) { rbuggyQSA.push(":checked"); }
// Support: Safari 8+, iOS 8+ // https://bugs.webkit.org/show_bug.cgi?id=136851 // In-page `selector#id sibling-combinator selector` fails if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) { rbuggyQSA.push(".#.+[+~]"); } });
assert(function( el ) { el.innerHTML = "<a href= disabled='disabled'></a>" + "<select disabled='disabled'><option/></select>";
// Support: Windows 8 Native Apps // The type and name attributes are restricted during .innerHTML assignment var input = document.createElement("input"); input.setAttribute( "type", "hidden" ); el.appendChild( input ).setAttribute( "name", "D" );
// Support: IE8 // Enforce case-sensitivity of name attribute if ( el.querySelectorAll("[name=d]").length ) { rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" ); }
// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) // IE8 throws error here and will not see later tests if ( el.querySelectorAll(":enabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Support: IE9-11+ // IE's :disabled selector does not pick up the children of disabled fieldsets docElem.appendChild( el ).disabled = true; if ( el.querySelectorAll(":disabled").length !== 2 ) { rbuggyQSA.push( ":enabled", ":disabled" ); }
// Opera 10-11 does not throw on post-comma invalid pseudos el.querySelectorAll("*,:x"); rbuggyQSA.push(",.*:"); }); }
if ( (support.matchesSelector = rnative.test( (matches = docElem.matches || docElem.webkitMatchesSelector || docElem.mozMatchesSelector || docElem.oMatchesSelector || docElem.msMatchesSelector) )) ) {
assert(function( el ) { // Check to see if it's possible to do matchesSelector // on a disconnected node (IE 9) support.disconnectedMatch = matches.call( el, "*" );
// This should fail with an exception // Gecko does not error, returns false instead matches.call( el, "[s!=]:x" ); rbuggyMatches.push( "!=", pseudos ); }); }
rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") ); rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
/* Contains ---------------------------------------------------------------------- */ hasCompare = rnative.test( docElem.compareDocumentPosition );
// Element contains another // Purposefully self-exclusive // As in, an element does not contain itself contains = hasCompare || rnative.test( docElem.contains ) ? function( a, b ) { var adown = a.nodeType === 9 ? a.documentElement : a, bup = b && b.parentNode; return a === bup || !!( bup && bup.nodeType === 1 && ( adown.contains ? adown.contains( bup ) : a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16 )); } : function( a, b ) { if ( b ) { while ( (b = b.parentNode) ) { if ( b === a ) { return true; } } } return false; };
/* Sorting ---------------------------------------------------------------------- */
// Document order sorting sortOrder = hasCompare ? function( a, b ) {
// Flag for duplicate removal if ( a === b ) { hasDuplicate = true; return 0; }
// Sort on method existence if only one input has compareDocumentPosition var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; if ( compare ) { return compare; }
// Calculate position if both inputs belong to the same document compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ? a.compareDocumentPosition( b ) :
// Otherwise we know they are disconnected 1;
// Disconnected nodes if ( compare & 1 || (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
// Choose the first element that is related to our preferred document if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) { return -1; } if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) { return 1; }
// Maintain original order return sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0; }
return compare & 4 ? -1 : 1; } : function( a, b ) { // Exit early if the nodes are identical if ( a === b ) { hasDuplicate = true; return 0; }
var cur, i = 0, aup = a.parentNode, bup = b.parentNode, ap = [ a ], bp = [ b ];
// Parentless nodes are either documents or disconnected if ( !aup || !bup ) { return a === document ? -1 : b === document ? 1 : aup ? -1 : bup ? 1 : sortInput ? ( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) : 0;
// If the nodes are siblings, we can do a quick check } else if ( aup === bup ) { return siblingCheck( a, b ); }
// Otherwise we need full lists of their ancestors for comparison cur = a; while ( (cur = cur.parentNode) ) { ap.unshift( cur ); } cur = b; while ( (cur = cur.parentNode) ) { bp.unshift( cur ); }
// Walk down the tree looking for a discrepancy while ( ap[i] === bp[i] ) { i++; }
return i ? // Do a sibling check if the nodes have a common ancestor siblingCheck( ap[i], bp[i] ) :
// Otherwise nodes in our document sort first ap[i] === preferredDoc ? -1 : bp[i] === preferredDoc ? 1 : 0; };
return document; };
Sizzle.matches = function( expr, elements ) { return Sizzle( expr, null, null, elements ); };
Sizzle.matchesSelector = function( elem, expr ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
// Make sure that attribute selectors are quoted expr = expr.replace( rattributeQuotes, "='$1']" );
if ( support.matchesSelector && documentIsHTML && !compilerCache[ expr + " " ] && ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) && ( !rbuggyQSA || !rbuggyQSA.test( expr ) ) ) {
try { var ret = matches.call( elem, expr );
// IE 9's matchesSelector returns false on disconnected nodes if ( ret || support.disconnectedMatch || // As well, disconnected nodes are said to be in a document // fragment in IE 9 elem.document && elem.document.nodeType !== 11 ) { return ret; } } catch (e) {} }
return Sizzle( expr, document, null, [ elem ] ).length > 0; };
Sizzle.contains = function( context, elem ) { // Set document vars if needed if ( ( context.ownerDocument || context ) !== document ) { setDocument( context ); } return contains( context, elem ); };
Sizzle.attr = function( elem, name ) { // Set document vars if needed if ( ( elem.ownerDocument || elem ) !== document ) { setDocument( elem ); }
var fn = Expr.attrHandle[ name.toLowerCase() ], // Don't get fooled by Object.prototype properties (jQuery #13807) val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ? fn( elem, name, !documentIsHTML ) : undefined;
return val !== undefined ? val : support.attributes || !documentIsHTML ? elem.getAttribute( name ) : (val = elem.getAttributeNode(name)) && val.specified ? val.value : null; };
Sizzle.escape = function( sel ) { return (sel + "").replace( rcssescape, fcssescape ); };
Sizzle.error = function( msg ) { throw new Error( "Syntax error, unrecognized expression: " + msg ); };
/**
* Document sorting and removing duplicates
* @param {ArrayLike} results
*/
Sizzle.uniqueSort = function( results ) { var elem, duplicates = [], j = 0, i = 0;
// Unless we *know* we can detect duplicates, assume their presence hasDuplicate = !support.detectDuplicates; sortInput = !support.sortStable && results.slice( 0 ); results.sort( sortOrder );
if ( hasDuplicate ) { while ( (elem = results[i++]) ) { if ( elem === results[ i ] ) { j = duplicates.push( i ); } } while ( j-- ) { results.splice( duplicates[ j ], 1 ); } }
// Clear input after sorting to release objects // See https://github.com/jquery/sizzle/pull/225 sortInput = null;
return results; };
/**
* Utility function for retrieving the text value of an array of DOM nodes
* @param {Array|Element} elem
*/
getText = Sizzle.getText = function( elem ) { var node, ret = "", i = 0, nodeType = elem.nodeType;
if ( !nodeType ) { // If no nodeType, this is expected to be an array while ( (node = elem[i++]) ) { // Do not traverse comment nodes ret += getText( node ); } } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) { // Use textContent for elements // innerText usage removed for consistency of new lines (jQuery #11153) if ( typeof elem.textContent === "string" ) { return elem.textContent; } else { // Traverse its children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { ret += getText( elem ); } } } else if ( nodeType === 3 || nodeType === 4 ) { return elem.nodeValue; } // Do not include comment or processing instruction nodes
return ret; };
Expr = Sizzle.selectors = {
// Can be adjusted by the user cacheLength: 50,
createPseudo: markFunction,
match: matchExpr,
attrHandle: {},
find: {},
relative: { ">": { dir: "parentNode", first: true }, " ": { dir: "parentNode" }, "+": { dir: "previousSibling", first: true }, "~": { dir: "previousSibling" } },
preFilter: { "ATTR": function( match ) { match[1] = match[1].replace( runescape, funescape );
// Move the given value to match[3] whether quoted or unquoted match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
if ( match[2] === "~=" ) { match[3] = " " + match[3] + " "; }
return match.slice( 0, 4 ); },
"CHILD": function( match ) { /* matches from matchExpr["CHILD"] 1 type (only|nth|...) 2 what (child|of-type) 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) 4 xn-component of xn+y argument ([+-]?\d*n|) 5 sign of xn-component 6 x of xn-component 7 sign of y-component 8 y of y-component */ match[1] = match[1].toLowerCase();
if ( match[1].slice( 0, 3 ) === "nth" ) { // nth-* requires argument if ( !match[3] ) { Sizzle.error( match[0] ); }
// numeric x and y parameters for Expr.filter.CHILD // remember that false/true cast respectively to 0/1 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) ); match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
// other types prohibit arguments } else if ( match[3] ) { Sizzle.error( match[0] ); }
return match; },
"PSEUDO": function( match ) { var excess, unquoted = !match[6] && match[2];
if ( matchExpr["CHILD"].test( match[0] ) ) { return null; }
// Accept quoted arguments as-is if ( match[3] ) { match[2] = match[4] || match[5] || "";
// Strip excess characters from unquoted arguments } else if ( unquoted && rpseudo.test( unquoted ) && // Get excess from tokenize (recursively) (excess = tokenize( unquoted, true )) && // advance to the next closing parenthesis (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
// excess is a negative index match[0] = match[0].slice( 0, excess ); match[2] = unquoted.slice( 0, excess ); }
// Return only captures needed by the pseudo filter method (type and argument) return match.slice( 0, 3 ); } },
filter: {
"TAG": function( nodeNameSelector ) { var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase(); return nodeNameSelector === "*" ? function() { return true; } : function( elem ) { return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; }; },
"CLASS": function( className ) { var pattern = classCache[ className + " " ];
return pattern || (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) && classCache( className, function( elem ) { return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" ); }); },
"ATTR": function( name, operator, check ) { return function( elem ) { var result = Sizzle.attr( elem, name );
if ( result == null ) { return operator === "!="; } if ( !operator ) { return true; }
result += "";
return operator === "=" ? result === check : operator === "!=" ? result !== check : operator === "^=" ? check && result.indexOf( check ) === 0 : operator === "*=" ? check && result.indexOf( check ) > -1 : operator === "$=" ? check && result.slice( -check.length ) === check : operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 : operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" : false; }; },
"CHILD": function( type, what, argument, first, last ) { var simple = type.slice( 0, 3 ) !== "nth", forward = type.slice( -4 ) !== "last", ofType = what === "of-type";
return first === 1 && last === 0 ?
// Shortcut for :nth-*(n) function( elem ) { return !!elem.parentNode; } :
function( elem, context, xml ) { var cache, uniqueCache, outerCache, node, nodeIndex, start, dir = simple !== forward ? "nextSibling" : "previousSibling", parent = elem.parentNode, name = ofType && elem.nodeName.toLowerCase(), useCache = !xml && !ofType, diff = false;
if ( parent ) {
// :(first|last|only)-(child|of-type) if ( simple ) { while ( dir ) { node = elem; while ( (node = node[ dir ]) ) { if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
return false; } } // Reverse direction for :only-* (if we haven't yet done so) start = dir = type === "only" && !start && "nextSibling"; } return true; }
start = [ forward ? parent.firstChild : parent.lastChild ];
// non-xml :nth-child(...) stores cache data on `parent` if ( forward && useCache ) {
// Seek `elem` from a previously-cached index
// ...in a gzip-friendly way node = parent; outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex && cache[ 2 ]; node = nodeIndex && parent.childNodes[ nodeIndex ];
while ( (node = ++nodeIndex && node && node[ dir ] ||
// Fallback to seeking `elem` from the start (diff = nodeIndex = 0) || start.pop()) ) {
// When found, cache indexes on `parent` and break if ( node.nodeType === 1 && ++diff && node === elem ) { uniqueCache[ type ] = [ dirruns, nodeIndex, diff ]; break; } }
} else { // Use previously-cached element index if available if ( useCache ) { // ...in a gzip-friendly way node = elem; outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
cache = uniqueCache[ type ] || []; nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ]; diff = nodeIndex; }
// xml :nth-child(...) // or :nth-last-child(...) or :nth(-last)?-of-type(...) if ( diff === false ) { // Use the same loop as above to seek `elem` from the start while ( (node = ++nodeIndex && node && node[ dir ] || (diff = nodeIndex = 0) || start.pop()) ) {
if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
// Cache the index of each encountered element if ( useCache ) { outerCache = node[ expando ] || (node[ expando ] = {});
// Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ node.uniqueID ] || (outerCache[ node.uniqueID ] = {});
uniqueCache[ type ] = [ dirruns, diff ]; }
if ( node === elem ) { break; } } } } }
// Incorporate the offset, then check against cycle size diff -= last; return diff === first || ( diff % first === 0 && diff / first >= 0 ); } }; },
"PSEUDO": function( pseudo, argument ) { // pseudo-class names are case-insensitive // http://www.w3.org/TR/selectors/#pseudo-classes // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters // Remember that setFilters inherits from pseudos var args, fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] || Sizzle.error( "unsupported pseudo: " + pseudo );
// The user may use createPseudo to indicate that // arguments are needed to create the filter function // just as Sizzle does if ( fn[ expando ] ) { return fn( argument ); }
// But maintain support for old signatures if ( fn.length > 1 ) { args = [ pseudo, pseudo, "", argument ]; return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ? markFunction(function( seed, matches ) { var idx, matched = fn( seed, argument ), i = matched.length; while ( i-- ) { idx = indexOf( seed, matched[i] ); seed[ idx ] = !( matches[ idx ] = matched[i] ); } }) : function( elem ) { return fn( elem, 0, args ); }; }
return fn; } },
pseudos: { // Potentially complex pseudos "not": markFunction(function( selector ) { // Trim the selector passed to compile // to avoid treating leading and trailing // spaces as combinators var input = [], results = [], matcher = compile( selector.replace( rtrim, "$1" ) );
return matcher[ expando ] ? markFunction(function( seed, matches, context, xml ) { var elem, unmatched = matcher( seed, null, xml, [] ), i = seed.length;
// Match elements unmatched by `matcher` while ( i-- ) { if ( (elem = unmatched[i]) ) { seed[i] = !(matches[i] = elem); } } }) : function( elem, context, xml ) { input[0] = elem; matcher( input, null, xml, results ); // Don't keep the element (issue #299) input[0] = null; return !results.pop(); }; }),
"has": markFunction(function( selector ) { return function( elem ) { return Sizzle( selector, elem ).length > 0; }; }),
"contains": markFunction(function( text ) { text = text.replace( runescape, funescape ); return function( elem ) { return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1; }; }),
// "Whether an element is represented by a :lang() selector // is based solely on the element's language value // being equal to the identifier C, // or beginning with the identifier C immediately followed by "-". // The matching of C against the element's language value is performed case-insensitively. // The identifier C does not have to be a valid language name." // http://www.w3.org/TR/selectors/#lang-pseudo "lang": markFunction( function( lang ) { // lang value must be a valid identifier if ( !ridentifier.test(lang || "") ) { Sizzle.error( "unsupported lang: " + lang ); } lang = lang.replace( runescape, funescape ).toLowerCase(); return function( elem ) { var elemLang; do { if ( (elemLang = documentIsHTML ? elem.lang : elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
elemLang = elemLang.toLowerCase(); return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0; } } while ( (elem = elem.parentNode) && elem.nodeType === 1 ); return false; }; }),
// Miscellaneous "target": function( elem ) { var hash = window.location && window.location.hash; return hash && hash.slice( 1 ) === elem.id; },
"root": function( elem ) { return elem === docElem; },
"focus": function( elem ) { return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); },
// Boolean properties "enabled": createDisabledPseudo( false ), "disabled": createDisabledPseudo( true ),
"checked": function( elem ) { // In CSS3, :checked should return both checked and selected elements // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked var nodeName = elem.nodeName.toLowerCase(); return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); },
"selected": function( elem ) { // Accessing this property makes selected-by-default // options in Safari work properly if ( elem.parentNode ) { elem.parentNode.selectedIndex; }
return elem.selected === true; },
// Contents "empty": function( elem ) { // http://www.w3.org/TR/selectors/#empty-pseudo // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), // but not by others (comment: 8; processing instruction: 7; etc.) // nodeType < 6 works because attributes (2) do not appear as children for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) { if ( elem.nodeType < 6 ) { return false; } } return true; },
"parent": function( elem ) { return !Expr.pseudos["empty"]( elem ); },
// Element/input types "header": function( elem ) { return rheader.test( elem.nodeName ); },
"input": function( elem ) { return rinputs.test( elem.nodeName ); },
"button": function( elem ) { var name = elem.nodeName.toLowerCase(); return name === "input" && elem.type === "button" || name === "button"; },
"text": function( elem ) { var attr; return elem.nodeName.toLowerCase() === "input" && elem.type === "text" &&
// Support: IE<8 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" ); },
// Position-in-collection "first": createPositionalPseudo(function() { return [ 0 ]; }),
"last": createPositionalPseudo(function( matchIndexes, length ) { return [ length - 1 ]; }),
"eq": createPositionalPseudo(function( matchIndexes, length, argument ) { return [ argument < 0 ? argument + length : argument ]; }),
"even": createPositionalPseudo(function( matchIndexes, length ) { var i = 0; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"odd": createPositionalPseudo(function( matchIndexes, length ) { var i = 1; for ( ; i < length; i += 2 ) { matchIndexes.push( i ); } return matchIndexes; }),
"lt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; --i >= 0; ) { matchIndexes.push( i ); } return matchIndexes; }),
"gt": createPositionalPseudo(function( matchIndexes, length, argument ) { var i = argument < 0 ? argument + length : argument; for ( ; ++i < length; ) { matchIndexes.push( i ); } return matchIndexes; }) } };
Expr.pseudos["nth"] = Expr.pseudos["eq"];
// Add button/input type pseudos for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) { Expr.pseudos[ i ] = createInputPseudo( i ); } for ( i in { submit: true, reset: true } ) { Expr.pseudos[ i ] = createButtonPseudo( i ); }
// Easy API for creating new setFilters function setFilters() {} setFilters.prototype = Expr.filters = Expr.pseudos; Expr.setFilters = new setFilters();
tokenize = Sizzle.tokenize = function( selector, parseOnly ) { var matched, match, tokens, type, soFar, groups, preFilters, cached = tokenCache[ selector + " " ];
if ( cached ) { return parseOnly ? 0 : cached.slice( 0 ); }
soFar = selector; groups = []; preFilters = Expr.preFilter;
while ( soFar ) {
// Comma and first run if ( !matched || (match = rcomma.exec( soFar )) ) { if ( match ) { // Don't consume trailing commas as valid soFar = soFar.slice( match[0].length ) || soFar; } groups.push( (tokens = []) ); }
matched = false;
// Combinators if ( (match = rcombinators.exec( soFar )) ) { matched = match.shift(); tokens.push({ value: matched, // Cast descendant combinators to space type: match[0].replace( rtrim, " " ) }); soFar = soFar.slice( matched.length ); }
// Filters for ( type in Expr.filter ) { if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] || (match = preFilters[ type ]( match ))) ) { matched = match.shift(); tokens.push({ value: matched, type: type, matches: match }); soFar = soFar.slice( matched.length ); } }
if ( !matched ) { break; } }
// Return the length of the invalid excess // if we're just parsing // Otherwise, throw an error or return tokens return parseOnly ? soFar.length : soFar ? Sizzle.error( selector ) : // Cache the tokens tokenCache( selector, groups ).slice( 0 ); };
function toSelector( tokens ) { var i = 0, len = tokens.length, selector = ""; for ( ; i < len; i++ ) { selector += tokens[i].value; } return selector; }
function addCombinator( matcher, combinator, base ) { var dir = combinator.dir, skip = combinator.next, key = skip || dir, checkNonElements = base && key === "parentNode", doneName = done++;
return combinator.first ? // Check against closest ancestor/preceding element function( elem, context, xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { return matcher( elem, context, xml ); } } return false; } :
// Check against all ancestor/preceding elements function( elem, context, xml ) { var oldCache, uniqueCache, outerCache, newCache = [ dirruns, doneName ];
// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching if ( xml ) { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { if ( matcher( elem, context, xml ) ) { return true; } } } } else { while ( (elem = elem[ dir ]) ) { if ( elem.nodeType === 1 || checkNonElements ) { outerCache = elem[ expando ] || (elem[ expando ] = {});
// Support: IE <9 only // Defend against cloned attroperties (jQuery gh-1709) uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
if ( skip && skip === elem.nodeName.toLowerCase() ) { elem = elem[ dir ] || elem; } else if ( (oldCache = uniqueCache[ key ]) && oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
// Assign to newCache so results back-propagate to previous elements return (newCache[ 2 ] = oldCache[ 2 ]); } else { // Reuse newcache so results back-propagate to previous elements uniqueCache[ key ] = newCache;
// A match means we're done; a fail means we have to keep checking if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) { return true; } } } } } return false; }; }
function elementMatcher( matchers ) { return matchers.length > 1 ? function( elem, context, xml ) { var i = matchers.length; while ( i-- ) { if ( !matchers[i]( elem, context, xml ) ) { return false; } } return true; } : matchers[0]; }
function multipleContexts( selector, contexts, results ) { var i = 0, len = contexts.length; for ( ; i < len; i++ ) { Sizzle( selector, contexts[i], results ); } return results; }
function condense( unmatched, map, filter, context, xml ) { var elem, newUnmatched = [], i = 0, len = unmatched.length, mapped = map != null;
for ( ; i < len; i++ ) { if ( (elem = unmatched[i]) ) { if ( !filter || filter( elem, context, xml ) ) { newUnmatched.push( elem ); if ( mapped ) { map.push( i ); } } } }
return newUnmatched; }
function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) { if ( postFilter && !postFilter[ expando ] ) { postFilter = setMatcher( postFilter ); } if ( postFinder && !postFinder[ expando ] ) { postFinder = setMatcher( postFinder, postSelector ); } return markFunction(function( seed, results, context, xml ) { var temp, i, elem, preMap = [], postMap = [], preexisting = results.length,
// Get initial elements from seed or context elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
// Prefilter to get matcher input, preserving a map for seed-results synchronization matcherIn = preFilter && ( seed || !selector ) ? condense( elems, preMap, preFilter, context, xml ) : elems,
matcherOut = matcher ? // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
// ...intermediate processing is necessary [] :
// ...otherwise use results directly results : matcherIn;
// Find primary matches if ( matcher ) { matcher( matcherIn, matcherOut, context, xml ); }
// Apply postFilter if ( postFilter ) { temp = condense( matcherOut, postMap ); postFilter( temp, [], context, xml );
// Un-match failing elements by moving them back to matcherIn i = temp.length; while ( i-- ) { if ( (elem = temp[i]) ) { matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem); } } }
if ( seed ) { if ( postFinder || preFilter ) { if ( postFinder ) { // Get the final matcherOut by condensing this intermediate into postFinder contexts temp = []; i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) ) { // Restore matcherIn since elem is not yet a final match temp.push( (matcherIn[i] = elem) ); } } postFinder( null, (matcherOut = []), temp, xml ); }
// Move matched elements from seed to results to keep them synchronized i = matcherOut.length; while ( i-- ) { if ( (elem = matcherOut[i]) && (temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
seed[temp] = !(results[temp] = elem); } } }
// Add elements to results, through postFinder if defined } else { matcherOut = condense( matcherOut === results ? matcherOut.splice( preexisting, matcherOut.length ) : matcherOut ); if ( postFinder ) { postFinder( null, results, matcherOut, xml ); } else { push.apply( results, matcherOut ); } } }); }
function matcherFromTokens( tokens ) { var checkContext, matcher, j, len = tokens.length, leadingRelative = Expr.relative[ tokens[0].type ], implicitRelative = leadingRelative || Expr.relative[" "], i = leadingRelative ? 1 : 0,
// The foundational matcher ensures that elements are reachable from top-level context(s) matchContext = addCombinator( function( elem ) { return elem === checkContext; }, implicitRelative, true ), matchAnyContext = addCombinator( function( elem ) { return indexOf( checkContext, elem ) > -1; }, implicitRelative, true ), matchers = [ function( elem, context, xml ) { var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || ( (checkContext = context).nodeType ? matchContext( elem, context, xml ) : matchAnyContext( elem, context, xml ) ); // Avoid hanging onto element (issue #299) checkContext = null; return ret; } ];
for ( ; i < len; i++ ) { if ( (matcher = Expr.relative[ tokens[i].type ]) ) { matchers = [ addCombinator(elementMatcher( matchers ), matcher) ]; } else { matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
// Return special upon seeing a positional matcher if ( matcher[ expando ] ) { // Find the next relative operator (if any) for proper handling j = ++i; for ( ; j < len; j++ ) { if ( Expr.relative[ tokens[j].type ] ) { break; } } return setMatcher( i > 1 && elementMatcher( matchers ), i > 1 && toSelector( // If the preceding token was a descendant combinator, insert an implicit any-element `*` tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" }) ).replace( rtrim, "$1" ), matcher, i < j && matcherFromTokens( tokens.slice( i, j ) ), j < len && matcherFromTokens( (tokens = tokens.slice( j )) ), j < len && toSelector( tokens ) ); } matchers.push( matcher ); } }
return elementMatcher( matchers ); }
function matcherFromGroupMatchers( elementMatchers, setMatchers ) { var bySet = setMatchers.length > 0, byElement = elementMatchers.length > 0, superMatcher = function( seed, context, xml, results, outermost ) { var elem, j, matcher, matchedCount = 0, i = "0", unmatched = seed && [], setMatched = [], contextBackup = outermostContext, // We must always have either seed elements or outermost context elems = seed || byElement && Expr.find["TAG"]( "*", outermost ), // Use integer dirruns iff this is the outermost matcher dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), len = elems.length;
if ( outermost ) { outermostContext = context === document || context || outermost; }
// Add elements passing elementMatchers directly to results // Support: IE<9, Safari // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id for ( ; i !== len && (elem = elems[i]) != null; i++ ) { if ( byElement && elem ) { j = 0; if ( !context && elem.ownerDocument !== document ) { setDocument( elem ); xml = !documentIsHTML; } while ( (matcher = elementMatchers[j++]) ) { if ( matcher( elem, context || document, xml) ) { results.push( elem ); break; } } if ( outermost ) { dirruns = dirrunsUnique; } }
// Track unmatched elements for set filters if ( bySet ) { // They will have gone through all possible matchers if ( (elem = !matcher && elem) ) { matchedCount--; }
// Lengthen the array for every element, matched or not if ( seed ) { unmatched.push( elem ); } } }
// `i` is now the count of elements visited above, and adding it to `matchedCount` // makes the latter nonnegative. matchedCount += i;
// Apply set filters to unmatched elements // NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount` // equals `i`), unless we didn't visit _any_ elements in the above loop because we have // no element matchers and no seed. // Incrementing an initially-string "0" `i` allows `i` to remain a string only in that // case, which will result in a "00" `matchedCount` that differs from `i` but is also // numerically zero. if ( bySet && i !== matchedCount ) { j = 0; while ( (matcher = setMatchers[j++]) ) { matcher( unmatched, setMatched, context, xml ); }
if ( seed ) { // Reintegrate element matches to eliminate the need for sorting if ( matchedCount > 0 ) { while ( i-- ) { if ( !(unmatched[i] || setMatched[i]) ) { setMatched[i] = pop.call( results ); } } }
// Discard index placeholder values to get only actual matches setMatched = condense( setMatched ); }
// Add matches to results push.apply( results, setMatched );
// Seedless set matches succeeding multiple successful matchers stipulate sorting if ( outermost && !seed && setMatched.length > 0 && ( matchedCount + setMatchers.length ) > 1 ) {
Sizzle.uniqueSort( results ); } }
// Override manipulation of globals by nested matchers if ( outermost ) { dirruns = dirrunsUnique; outermostContext = contextBackup; }
return unmatched; };
return bySet ? markFunction( superMatcher ) : superMatcher; }
compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) { var i, setMatchers = [], elementMatchers = [], cached = compilerCache[ selector + " " ];
if ( !cached ) { // Generate a function of recursive functions that can be used to check each element if ( !match ) { match = tokenize( selector ); } i = match.length; while ( i-- ) { cached = matcherFromTokens( match[i] ); if ( cached[ expando ] ) { setMatchers.push( cached ); } else { elementMatchers.push( cached ); } }
// Cache the compiled function cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
// Save selector and tokenization cached.selector = selector; } return cached; };
/**
* A low-level selection function that works with Sizzle's compiled
* selector functions
* @param {String|Function} selector A selector or a pre-compiled
* selector function built with Sizzle.compile
* @param {Element} context
* @param {Array} [results]
* @param {Array} [seed] A set of elements to match against
*/
select = Sizzle.select = function( selector, context, results, seed ) { var i, tokens, token, type, find, compiled = typeof selector === "function" && selector, match = !seed && tokenize( (selector = compiled.selector || selector) );
results = results || [];
// Try to minimize operations if there is only one selector in the list and no seed // (the latter of which guarantees us context) if ( match.length === 1 ) {
// Reduce context if the leading compound selector is an ID tokens = match[0] = match[0].slice( 0 ); if ( tokens.length > 2 && (token = tokens[0]).type === "ID" && context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0]; if ( !context ) { return results;
// Precompiled matchers will still verify ancestry, so step up a level } else if ( compiled ) { context = context.parentNode; }
selector = selector.slice( tokens.shift().value.length ); }
// Fetch a seed set for right-to-left matching i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length; while ( i-- ) { token = tokens[i];
// Abort if we hit a combinator if ( Expr.relative[ (type = token.type) ] ) { break; } if ( (find = Expr.find[ type ]) ) { // Search, expanding context for leading sibling combinators if ( (seed = find( token.matches[0].replace( runescape, funescape ), rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context )) ) {
// If seed is empty or no tokens remain, we can return early tokens.splice( i, 1 ); selector = seed.length && toSelector( tokens ); if ( !selector ) { push.apply( results, seed ); return results; }
break; } } } }
// Compile and execute a filtering function if one is not provided // Provide `match` to avoid retokenization if we modified the selector above ( compiled || compile( selector, match ) )( seed, context, !documentIsHTML, results, !context || rsibling.test( selector ) && testContext( context.parentNode ) || context ); return results; };
// One-time assignments
// Sort stability support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
// Support: Chrome 14-35+ // Always assume duplicates if they aren't passed to the comparison function support.detectDuplicates = !!hasDuplicate;
// Initialize against the default document setDocument();
// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) // Detached nodes confoundingly follow *each other* support.sortDetached = assert(function( el ) { // Should return 1, but returns 4 (following) return el.compareDocumentPosition( document.createElement("fieldset") ) & 1; });
// Support: IE<8 // Prevent attribute/property "interpolation" // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx if ( !assert(function( el ) { el.innerHTML = "<a href='#'></a>"; return el.firstChild.getAttribute("href") === "#" ; }) ) { addHandle( "type|href|height|width", function( elem, name, isXML ) { if ( !isXML ) { return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 ); } }); }
// Support: IE<9 // Use defaultValue in place of getAttribute("value") if ( !support.attributes || !assert(function( el ) { el.innerHTML = "<input/>"; el.firstChild.setAttribute( "value", "" ); return el.firstChild.getAttribute( "value" ) === ""; }) ) { addHandle( "value", function( elem, name, isXML ) { if ( !isXML && elem.nodeName.toLowerCase() === "input" ) { return elem.defaultValue; } }); }
// Support: IE<9 // Use getAttributeNode to fetch booleans when getAttribute lies if ( !assert(function( el ) { return el.getAttribute("disabled") == null; }) ) { addHandle( booleans, function( elem, name, isXML ) { var val; if ( !isXML ) { return elem[ name ] === true ? name.toLowerCase() : (val = elem.getAttributeNode( name )) && val.specified ? val.value : null; } }); }
return Sizzle;
})( window );
jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors;
// Deprecated jQuery.expr[ ":" ] = jQuery.expr.pseudos; jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort; jQuery.text = Sizzle.getText; jQuery.isXMLDoc = Sizzle.isXML; jQuery.contains = Sizzle.contains; jQuery.escapeSelector = Sizzle.escape;
var dir = function( elem, dir, until ) {
var matched = [],
truncate = until !== undefined;
while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) { if ( elem.nodeType === 1 ) { if ( truncate && jQuery( elem ).is( until ) ) { break; } matched.push( elem ); } } return matched; };
var siblings = function( n, elem ) {
var matched = [];
for ( ; n; n = n.nextSibling ) { if ( n.nodeType === 1 && n !== elem ) { matched.push( n ); } }
return matched; };
var rneedsContext = jQuery.expr.match.needsContext;
function nodeName( elem, name ) {
return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
}; var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
var risSimple = /^.[^:#\[\.,]*$/;
// Implement the identical functionality for filter and not function winnow( elements, qualifier, not ) { if ( jQuery.isFunction( qualifier ) ) { return jQuery.grep( elements, function( elem, i ) { return !!qualifier.call( elem, i, elem ) !== not; } ); }
// Single element if ( qualifier.nodeType ) { return jQuery.grep( elements, function( elem ) { return ( elem === qualifier ) !== not; } ); }
// Arraylike of elements (jQuery, arguments, Array) if ( typeof qualifier !== "string" ) { return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) > -1 ) !== not; } ); }
// Simple selector that can be filtered directly, removing non-Elements if ( risSimple.test( qualifier ) ) { return jQuery.filter( qualifier, elements, not ); }
// Complex selector, compare the two sets, removing non-Elements qualifier = jQuery.filter( qualifier, elements ); return jQuery.grep( elements, function( elem ) { return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1; } ); }
jQuery.filter = function( expr, elems, not ) { var elem = elems[ 0 ];
if ( not ) { expr = ":not(" + expr + ")"; }
if ( elems.length === 1 && elem.nodeType === 1 ) { return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : []; }
return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) { return elem.nodeType === 1; } ) ); };
jQuery.fn.extend( { find: function( selector ) { var i, ret, len = this.length, self = this;
if ( typeof selector !== "string" ) { return this.pushStack( jQuery( selector ).filter( function() { for ( i = 0; i < len; i++ ) { if ( jQuery.contains( self[ i ], this ) ) { return true; } } } ) ); }
ret = this.pushStack( [] );
for ( i = 0; i < len; i++ ) { jQuery.find( selector, self[ i ], ret ); }
return len > 1 ? jQuery.uniqueSort( ret ) : ret; }, filter: function( selector ) { return this.pushStack( winnow( this, selector || [], false ) ); }, not: function( selector ) { return this.pushStack( winnow( this, selector || [], true ) ); }, is: function( selector ) { return !!winnow( this,
// If this is a positional/relative selector, check membership in the returned set // so $("p:first").is("p:last") won't return true for a doc with two "p". typeof selector === "string" && rneedsContext.test( selector ) ? jQuery( selector ) : selector || [], false ).length; } } );
// Initialize a jQuery object
// A central reference to the root jQuery(document)
var rootjQuery,
// A simple way to check for HTML strings // Prioritize #id over <tag> to avoid XSS via location.hash (#9521) // Strict HTML recognition (#11290: must start with <) // Shortcut simple #id case for speed rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
init = jQuery.fn.init = function( selector, context, root ) { var match, elem;
// HANDLE: $(""), $(null), $(undefined), $(false) if ( !selector ) { return this; }
// Method init() accepts an alternate rootjQuery // so migrate can support jQuery.sub (gh-2101) root = root || rootjQuery;
// Handle HTML strings if ( typeof selector === "string" ) { if ( selector[ 0 ] === "<" && selector[ selector.length - 1 ] === ">" && selector.length >= 3 ) {
// Assume that strings that start and end with <> are HTML and skip the regex check match = [ null, selector, null ];
} else { match = rquickExpr.exec( selector ); }
// Match html or make sure no context is specified for #id if ( match && ( match[ 1 ] || !context ) ) {
// HANDLE: $(html) -> $(array) if ( match[ 1 ] ) { context = context instanceof jQuery ? context[ 0 ] : context;
// Option to run scripts is true for back-compat // Intentionally let the error be thrown if parseHTML is not present jQuery.merge( this, jQuery.parseHTML( match[ 1 ], context && context.nodeType ? context.ownerDocument || context : document, true ) );
// HANDLE: $(html, props) if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) { for ( match in context ) {
// Properties of context are called as methods if possible if ( jQuery.isFunction( this[ match ] ) ) { this[ match ]( context[ match ] );
// ...and otherwise set as attributes } else { this.attr( match, context[ match ] ); } } }
return this;
// HANDLE: $(#id) } else { elem = document.getElementById( match[ 2 ] );
if ( elem ) {
// Inject the element directly into the jQuery object this[ 0 ] = elem; this.length = 1; } return this; }
// HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return ( context || root ).find( selector );
// HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return this.constructor( context ).find( selector ); }
// HANDLE: $(DOMElement) } else if ( selector.nodeType ) { this[ 0 ] = selector; this.length = 1; return this;
// HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return root.ready !== undefined ? root.ready( selector ) :
// Execute immediately if ready is not present selector( jQuery ); }
return jQuery.makeArray( selector, this ); };
// Give the init function the jQuery prototype for later instantiation init.prototype = jQuery.fn;
// Initialize central reference rootjQuery = jQuery( document );
var rparentsprev = /^(?:parents|prev(?:Until|All))/,
// Methods guaranteed to produce a unique set when starting from a unique set guaranteedUnique = { children: true, contents: true, next: true, prev: true };
jQuery.fn.extend( { has: function( target ) { var targets = jQuery( target, this ), l = targets.length;
return this.filter( function() { var i = 0; for ( ; i < l; i++ ) { if ( jQuery.contains( this, targets[ i ] ) ) { return true; } } } ); },
closest: function( selectors, context ) { var cur, i = 0, l = this.length, matched = [], targets = typeof selectors !== "string" && jQuery( selectors );
// Positional selectors never match, since there's no _selection_ context if ( !rneedsContext.test( selectors ) ) { for ( ; i < l; i++ ) { for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
// Always skip document fragments if ( cur.nodeType < 11 && ( targets ? targets.index( cur ) > -1 :
// Don't pass non-elements to Sizzle cur.nodeType === 1 && jQuery.find.matchesSelector( cur, selectors ) ) ) {
matched.push( cur ); break; } } } }
return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched ); },
// Determine the position of an element within the set index: function( elem ) {
// No argument, return index in parent if ( !elem ) { return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1; }
// Index in selector if ( typeof elem === "string" ) { return indexOf.call( jQuery( elem ), this[ 0 ] ); }
// Locate the position of the desired element return indexOf.call( this,
// If it receives a jQuery object, the first element is used elem.jquery ? elem[ 0 ] : elem ); },
add: function( selector, context ) { return this.pushStack( jQuery.uniqueSort( jQuery.merge( this.get(), jQuery( selector, context ) ) ) ); },
addBack: function( selector ) { return this.add( selector == null ? this.prevObject : this.prevObject.filter( selector ) ); } } );
function sibling( cur, dir ) { while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {} return cur; }
jQuery.each( { parent: function( elem ) { var parent = elem.parentNode; return parent && parent.nodeType !== 11 ? parent : null; }, parents: function( elem ) { return dir( elem, "parentNode" ); }, parentsUntil: function( elem, i, until ) { return dir( elem, "parentNode", until ); }, next: function( elem ) { return sibling( elem, "nextSibling" ); }, prev: function( elem ) { return sibling( elem, "previousSibling" ); }, nextAll: function( elem ) { return dir( elem, "nextSibling" ); }, prevAll: function( elem ) { return dir( elem, "previousSibling" ); }, nextUntil: function( elem, i, until ) { return dir( elem, "nextSibling", until ); }, prevUntil: function( elem, i, until ) { return dir( elem, "previousSibling", until ); }, siblings: function( elem ) { return siblings( ( elem.parentNode || {} ).firstChild, elem ); }, children: function( elem ) { return siblings( elem.firstChild ); }, contents: function( elem ) {
if ( nodeName( elem, "iframe" ) ) {
return elem.contentDocument;
}
// Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
// Treat the template element as a regular one in browsers that
// don't support it.
if ( nodeName( elem, "template" ) ) {
elem = elem.content || elem;
}
return jQuery.merge( [], elem.childNodes );
} }, function( name, fn ) { jQuery.fn[ name ] = function( until, selector ) { var matched = jQuery.map( this, fn, until );
if ( name.slice( -5 ) !== "Until" ) { selector = until; }
if ( selector && typeof selector === "string" ) { matched = jQuery.filter( selector, matched ); }
if ( this.length > 1 ) {
// Remove duplicates if ( !guaranteedUnique[ name ] ) { jQuery.uniqueSort( matched ); }
// Reverse order for parents* and prev-derivatives if ( rparentsprev.test( name ) ) { matched.reverse(); } }
return this.pushStack( matched ); }; } ); var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
// Convert String-formatted options into Object-formatted ones function createOptions( options ) { var object = {}; jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) { object[ flag ] = true; } ); return object; }
/*
* Create a callback list using the following parameters: * * options: an optional list of space-separated options that will change how * the callback list behaves or a more traditional option object * * By default a callback list will act like an event callback list and can be * "fired" multiple times. * * Possible options: * * once: will ensure the callback list can only be fired once (like a Deferred) * * memory: will keep track of previous values and will call any callback added * after the list has been fired right away with the latest "memorized" * values (like a Deferred) * * unique: will ensure a callback can only be added once (no duplicate in the list) * * stopOnFalse: interrupt callings when a callback returns false * */
jQuery.Callbacks = function( options ) {
// Convert options from String-formatted to Object-formatted if needed // (we check in cache first) options = typeof options === "string" ? createOptions( options ) : jQuery.extend( {}, options );
var // Flag to know if list is currently firing firing,
// Last fire value for non-forgettable lists memory,
// Flag to know if list was already fired fired,
// Flag to prevent firing locked,
// Actual callback list list = [],
// Queue of execution data for repeatable lists queue = [],
// Index of currently firing callback (modified by add/remove as needed) firingIndex = -1,
// Fire callbacks fire = function() {
// Enforce single-firing locked = locked || options.once;
// Execute callbacks for all pending executions, // respecting firingIndex overrides and runtime changes fired = firing = true; for ( ; queue.length; firingIndex = -1 ) { memory = queue.shift(); while ( ++firingIndex < list.length ) {
// Run callback and check for early termination if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false && options.stopOnFalse ) {
// Jump to end and forget the data so .add doesn't re-fire firingIndex = list.length; memory = false; } } }
// Forget the data if we're done with it if ( !options.memory ) { memory = false; }
firing = false;
// Clean up if we're done firing for good if ( locked ) {
// Keep an empty list if we have data for future add calls if ( memory ) { list = [];
// Otherwise, this object is spent } else { list = ""; } } },
// Actual Callbacks object self = {
// Add a callback or a collection of callbacks to the list add: function() { if ( list ) {
// If we have memory from a past run, we should fire after adding if ( memory && !firing ) { firingIndex = list.length - 1; queue.push( memory ); }
( function add( args ) { jQuery.each( args, function( _, arg ) { if ( jQuery.isFunction( arg ) ) { if ( !options.unique || !self.has( arg ) ) { list.push( arg ); } } else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
// Inspect recursively add( arg ); } } ); } )( arguments );
if ( memory && !firing ) { fire(); } } return this; },
// Remove a callback from the list remove: function() { jQuery.each( arguments, function( _, arg ) { var index; while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) { list.splice( index, 1 );
// Handle firing indexes if ( index <= firingIndex ) { firingIndex--; } } } ); return this; },
// Check if a given callback is in the list. // If no argument is given, return whether or not list has callbacks attached. has: function( fn ) { return fn ? jQuery.inArray( fn, list ) > -1 : list.length > 0; },
// Remove all callbacks from the list empty: function() { if ( list ) { list = []; } return this; },
// Disable .fire and .add // Abort any current/pending executions // Clear all callbacks and values disable: function() { locked = queue = []; list = memory = ""; return this; }, disabled: function() { return !list; },
// Disable .fire // Also disable .add unless we have memory (since it would have no effect) // Abort any pending executions lock: function() { locked = queue = []; if ( !memory && !firing ) { list = memory = ""; } return this; }, locked: function() { return !!locked; },
// Call all callbacks with the given context and arguments fireWith: function( context, args ) { if ( !locked ) { args = args || []; args = [ context, args.slice ? args.slice() : args ]; queue.push( args ); if ( !firing ) { fire(); } } return this; },
// Call all the callbacks with the given arguments fire: function() { self.fireWith( this, arguments ); return this; },
// To know if the callbacks have already been called at least once fired: function() { return !!fired; } };
return self; };
function Identity( v ) {
return v;
}
function Thrower( ex ) {
throw ex;
}
function adoptValue( value, resolve, reject, noValue ) { var method;
try {
// Check for promise aspect first to privilege synchronous behavior if ( value && jQuery.isFunction( ( method = value.promise ) ) ) { method.call( value ).done( resolve ).fail( reject );
// Other thenables } else if ( value && jQuery.isFunction( ( method = value.then ) ) ) { method.call( value, resolve, reject );
// Other non-thenables } else {
// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer: // * false: [ value ].slice( 0 ) => resolve( value ) // * true: [ value ].slice( 1 ) => resolve() resolve.apply( undefined, [ value ].slice( noValue ) ); }
// For Promises/A+, convert exceptions into rejections // Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in // Deferred#then to conditionally suppress rejection. } catch ( value ) {
// Support: Android 4.0 only // Strict mode functions invoked without .call/.apply get global-object context reject.apply( undefined, [ value ] ); } }
jQuery.extend( {
Deferred: function( func ) { var tuples = [
// action, add listener, callbacks, // ... .then handlers, argument index, [final state] [ "notify", "progress", jQuery.Callbacks( "memory" ), jQuery.Callbacks( "memory" ), 2 ], [ "resolve", "done", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 0, "resolved" ], [ "reject", "fail", jQuery.Callbacks( "once memory" ), jQuery.Callbacks( "once memory" ), 1, "rejected" ] ], state = "pending", promise = { state: function() { return state; }, always: function() { deferred.done( arguments ).fail( arguments ); return this; }, "catch": function( fn ) { return promise.then( null, fn ); },
// Keep pipe for back-compat pipe: function( /* fnDone, fnFail, fnProgress */ ) { var fns = arguments;
return jQuery.Deferred( function( newDefer ) { jQuery.each( tuples, function( i, tuple ) {
// Map tuples (progress, done, fail) to arguments (done, fail, progress) var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
// deferred.progress(function() { bind to newDefer or newDefer.notify }) // deferred.done(function() { bind to newDefer or newDefer.resolve }) // deferred.fail(function() { bind to newDefer or newDefer.reject }) deferred[ tuple[ 1 ] ]( function() { var returned = fn && fn.apply( this, arguments ); if ( returned && jQuery.isFunction( returned.promise ) ) { returned.promise() .progress( newDefer.notify ) .done( newDefer.resolve ) .fail( newDefer.reject ); } else { newDefer[ tuple[ 0 ] + "With" ]( this, fn ? [ returned ] : arguments ); } } ); } ); fns = null; } ).promise(); }, then: function( onFulfilled, onRejected, onProgress ) { var maxDepth = 0; function resolve( depth, deferred, handler, special ) { return function() { var that = this, args = arguments, mightThrow = function() { var returned, then;
// Support: Promises/A+ section 2.3.3.3.3 // https://promisesaplus.com/#point-59 // Ignore double-resolution attempts if ( depth < maxDepth ) { return; }
returned = handler.apply( that, args );
// Support: Promises/A+ section 2.3.1 // https://promisesaplus.com/#point-48 if ( returned === deferred.promise() ) { throw new TypeError( "Thenable self-resolution" ); }
// Support: Promises/A+ sections 2.3.3.1, 3.5 // https://promisesaplus.com/#point-54 // https://promisesaplus.com/#point-75 // Retrieve `then` only once then = returned &&
// Support: Promises/A+ section 2.3.4 // https://promisesaplus.com/#point-64 // Only check objects and functions for thenability ( typeof returned === "object" || typeof returned === "function" ) && returned.then;
// Handle a returned thenable if ( jQuery.isFunction( then ) ) {
// Special processors (notify) just wait for resolution if ( special ) { then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ) );
// Normal processors (resolve) also hook into progress } else {
// ...and disregard older resolution values maxDepth++;
then.call( returned, resolve( maxDepth, deferred, Identity, special ), resolve( maxDepth, deferred, Thrower, special ), resolve( maxDepth, deferred, Identity, deferred.notifyWith ) ); }
// Handle all other returned values } else {
// Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Identity ) { that = undefined; args = [ returned ]; }
// Process the value(s) // Default process is resolve ( special || deferred.resolveWith )( that, args ); } },
// Only normal processors (resolve) catch and reject exceptions process = special ? mightThrow : function() { try { mightThrow(); } catch ( e ) {
if ( jQuery.Deferred.exceptionHook ) { jQuery.Deferred.exceptionHook( e, process.stackTrace ); }
// Support: Promises/A+ section 2.3.3.3.4.1 // https://promisesaplus.com/#point-61 // Ignore post-resolution exceptions if ( depth + 1 >= maxDepth ) {
// Only substitute handlers pass on context // and multiple values (non-spec behavior) if ( handler !== Thrower ) { that = undefined; args = [ e ]; }
deferred.rejectWith( that, args ); } } };
// Support: Promises/A+ section 2.3.3.3.1 // https://promisesaplus.com/#point-57 // Re-resolve promises immediately to dodge false rejection from // subsequent errors if ( depth ) { process(); } else {
// Call an optional hook to record the stack, in case of exception // since it's otherwise lost when execution goes async if ( jQuery.Deferred.getStackHook ) { process.stackTrace = jQuery.Deferred.getStackHook(); } window.setTimeout( process ); } }; }
return jQuery.Deferred( function( newDefer ) {
// progress_handlers.add( ... ) tuples[ 0 ][ 3 ].add( resolve( 0, newDefer, jQuery.isFunction( onProgress ) ? onProgress : Identity, newDefer.notifyWith ) );
// fulfilled_handlers.add( ... ) tuples[ 1 ][ 3 ].add( resolve( 0, newDefer, jQuery.isFunction( onFulfilled ) ? onFulfilled : Identity ) );
// rejected_handlers.add( ... ) tuples[ 2 ][ 3 ].add( resolve( 0, newDefer, jQuery.isFunction( onRejected ) ? onRejected : Thrower ) ); } ).promise(); },
// Get a promise for this deferred // If obj is provided, the promise aspect is added to the object promise: function( obj ) { return obj != null ? jQuery.extend( obj, promise ) : promise; } }, deferred = {};
// Add list-specific methods jQuery.each( tuples, function( i, tuple ) { var list = tuple[ 2 ], stateString = tuple[ 5 ];
// promise.progress = list.add // promise.done = list.add // promise.fail = list.add promise[ tuple[ 1 ] ] = list.add;
// Handle state if ( stateString ) { list.add( function() {
// state = "resolved" (i.e., fulfilled) // state = "rejected" state = stateString; },
// rejected_callbacks.disable // fulfilled_callbacks.disable tuples[ 3 - i ][ 2 ].disable,
// progress_callbacks.lock tuples[ 0 ][ 2 ].lock ); }
// progress_handlers.fire // fulfilled_handlers.fire // rejected_handlers.fire list.add( tuple[ 3 ].fire );
// deferred.notify = function() { deferred.notifyWith(...) } // deferred.resolve = function() { deferred.resolveWith(...) } // deferred.reject = function() { deferred.rejectWith(...) } deferred[ tuple[ 0 ] ] = function() { deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments ); return this; };
// deferred.notifyWith = list.fireWith // deferred.resolveWith = list.fireWith // deferred.rejectWith = list.fireWith deferred[ tuple[ 0 ] + "With" ] = list.fireWith; } );
// Make the deferred a promise promise.promise( deferred );
// Call given func if any if ( func ) { func.call( deferred, deferred ); }
// All done! return deferred; },
// Deferred helper when: function( singleValue ) { var
// count of uncompleted subordinates remaining = arguments.length,
// count of unprocessed arguments i = remaining,
// subordinate fulfillment data resolveContexts = Array( i ), resolveValues = slice.call( arguments ),
// the master Deferred master = jQuery.Deferred(),
// subordinate callback factory updateFunc = function( i ) { return function( value ) { resolveContexts[ i ] = this; resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; if ( !( --remaining ) ) { master.resolveWith( resolveContexts, resolveValues ); } }; };
// Single- and empty arguments are adopted like Promise.resolve if ( remaining <= 1 ) { adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject, !remaining );
// Use .then() to unwrap secondary thenables (cf. gh-3000) if ( master.state() === "pending" || jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
return master.then(); } }
// Multiple arguments are aggregated like Promise.all array elements while ( i-- ) { adoptValue( resolveValues[ i ], updateFunc( i ), master.reject ); }
return master.promise(); } } );
// These usually indicate a programmer mistake during development,
// warn about them ASAP rather than swallowing them by default.
var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
jQuery.Deferred.exceptionHook = function( error, stack ) {
// Support: IE 8 - 9 only // Console exists when dev tools are open, which can happen at any time if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) { window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack ); } };
jQuery.readyException = function( error ) {
window.setTimeout( function() {
throw error;
} );
};
// The deferred used on DOM ready
var readyList = jQuery.Deferred();
jQuery.fn.ready = function( fn ) {
readyList .then( fn )
// Wrap jQuery.readyException in a function so that the lookup // happens at the time of error handling instead of callback // registration. .catch( function( error ) { jQuery.readyException( error ); } );
return this; };
jQuery.extend( {
// Is the DOM ready to be used? Set to true once it occurs. isReady: false,
// A counter to track how many items to wait for before // the ready event fires. See #6781 readyWait: 1,
// Handle when the DOM is ready ready: function( wait ) {
// Abort if there are pending holds or we're already ready if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) { return; }
// Remember that the DOM is ready jQuery.isReady = true;
// If a normal DOM Ready event fired, decrement, and wait if need be if ( wait !== true && --jQuery.readyWait > 0 ) { return; }
// If there are functions bound, to execute readyList.resolveWith( document, [ jQuery ] ); } } );
jQuery.ready.then = readyList.then;
// The ready event handler and self cleanup method function completed() { document.removeEventListener( "DOMContentLoaded", completed ); window.removeEventListener( "load", completed ); jQuery.ready(); }
// Catch cases where $(document).ready() is called // after the browser event has already occurred. // Support: IE <=9 - 10 only // Older IE sometimes signals "interactive" too soon if ( document.readyState === "complete" || ( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
// Handle it asynchronously to allow scripts the opportunity to delay ready window.setTimeout( jQuery.ready );
} else {
// Use the handy event callback document.addEventListener( "DOMContentLoaded", completed );
// A fallback to window.onload, that will always work window.addEventListener( "load", completed ); }
// Multifunctional method to get and set values of a collection
// The value/s can optionally be executed if it's a function
var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
var i = 0,
len = elems.length,
bulk = key == null;
// Sets many values if ( jQuery.type( key ) === "object" ) { chainable = true; for ( i in key ) { access( elems, fn, i, key[ i ], true, emptyGet, raw ); }
// Sets one value } else if ( value !== undefined ) { chainable = true;
if ( !jQuery.isFunction( value ) ) { raw = true; }
if ( bulk ) {
// Bulk operations run against the entire set if ( raw ) { fn.call( elems, value ); fn = null;
// ...except when executing function values } else { bulk = fn; fn = function( elem, key, value ) { return bulk.call( jQuery( elem ), value ); }; } }
if ( fn ) { for ( ; i < len; i++ ) { fn( elems[ i ], key, raw ? value : value.call( elems[ i ], i, fn( elems[ i ], key ) ) ); } } }
if ( chainable ) { return elems; }
// Gets if ( bulk ) { return fn.call( elems ); }
return len ? fn( elems[ 0 ], key ) : emptyGet; }; var acceptData = function( owner ) {
// Accepts only: // - Node // - Node.ELEMENT_NODE // - Node.DOCUMENT_NODE // - Object // - Any return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType ); };
function Data() {
this.expando = jQuery.expando + Data.uid++;
}
Data.uid = 1;
Data.prototype = {
cache: function( owner ) {
// Check if the owner object already has a cache var value = owner[ this.expando ];
// If not, create one if ( !value ) { value = {};
// We can accept data for non-element nodes in modern browsers, // but we should not, see #8335. // Always return an empty object. if ( acceptData( owner ) ) {
// If it is a node unlikely to be stringify-ed or looped over // use plain assignment if ( owner.nodeType ) { owner[ this.expando ] = value;
// Otherwise secure it in a non-enumerable property // configurable must be true to allow the property to be // deleted when data is removed } else { Object.defineProperty( owner, this.expando, { value: value, configurable: true } ); } } }
return value; }, set: function( owner, data, value ) { var prop, cache = this.cache( owner );
// Handle: [ owner, key, value ] args // Always use camelCase key (gh-2257) if ( typeof data === "string" ) { cache[ jQuery.camelCase( data ) ] = value;
// Handle: [ owner, { properties } ] args } else {
// Copy the properties one-by-one to the cache object for ( prop in data ) { cache[ jQuery.camelCase( prop ) ] = data[ prop ]; } } return cache; }, get: function( owner, key ) { return key === undefined ? this.cache( owner ) :
// Always use camelCase key (gh-2257) owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ]; }, access: function( owner, key, value ) {
// In cases where either: // // 1. No key was specified // 2. A string key was specified, but no value provided // // Take the "read" path and allow the get method to determine // which value to return, respectively either: // // 1. The entire cache object // 2. The data stored at the key // if ( key === undefined || ( ( key && typeof key === "string" ) && value === undefined ) ) {
return this.get( owner, key ); }
// When the key is not a string, or both a key and value // are specified, set or extend (existing objects) with either: // // 1. An object of properties // 2. A key and value // this.set( owner, key, value );
// Since the "set" path can have two possible entry points // return the expected data based on which path was taken[*] return value !== undefined ? value : key; }, remove: function( owner, key ) { var i, cache = owner[ this.expando ];
if ( cache === undefined ) { return; }
if ( key !== undefined ) {
// Support array or space separated string of keys if ( Array.isArray( key ) ) {
// If key is an array of keys... // We always set camelCase keys, so remove that. key = key.map( jQuery.camelCase ); } else { key = jQuery.camelCase( key );
// If a key with the spaces exists, use it. // Otherwise, create an array by matching non-whitespace key = key in cache ? [ key ] : ( key.match( rnothtmlwhite ) || [] ); }
i = key.length;
while ( i-- ) { delete cache[ key[ i ] ]; } }
// Remove the expando if there's no more data if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
// Support: Chrome <=35 - 45 // Webkit & Blink performance suffers when deleting properties // from DOM nodes, so set to undefined instead // https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted) if ( owner.nodeType ) { owner[ this.expando ] = undefined; } else { delete owner[ this.expando ]; } } }, hasData: function( owner ) { var cache = owner[ this.expando ]; return cache !== undefined && !jQuery.isEmptyObject( cache ); } }; var dataPriv = new Data();
var dataUser = new Data();
// Implementation Summary // // 1. Enforce API surface and semantic compatibility with 1.9.x branch // 2. Improve the module's maintainability by reducing the storage // paths to a single mechanism. // 3. Use the same single mechanism to support "private" and "user" data. // 4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData) // 5. Avoid exposing implementation details on user objects (eg. expando properties) // 6. Provide a clear path for implementation upgrade to WeakMap in 2014
var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, rmultiDash = /[A-Z]/g;
function getData( data ) { if ( data === "true" ) { return true; }
if ( data === "false" ) { return false; }
if ( data === "null" ) { return null; }
// Only convert to a number if it doesn't change the string if ( data === +data + "" ) { return +data; }
if ( rbrace.test( data ) ) { return JSON.parse( data ); }
return data; }
function dataAttr( elem, key, data ) { var name;
// If nothing was found internally, try to fetch any // data from the HTML5 data-* attribute if ( data === undefined && elem.nodeType === 1 ) { name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase(); data = elem.getAttribute( name );
if ( typeof data === "string" ) { try { data = getData( data ); } catch ( e ) {}
// Make sure we set the data so it isn't changed later dataUser.set( elem, key, data ); } else { data = undefined; } } return data; }
jQuery.extend( { hasData: function( elem ) { return dataUser.hasData( elem ) || dataPriv.hasData( elem ); },
data: function( elem, name, data ) { return dataUser.access( elem, name, data ); },
removeData: function( elem, name ) { dataUser.remove( elem, name ); },
// TODO: Now that all calls to _data and _removeData have been replaced // with direct calls to dataPriv methods, these can be deprecated. _data: function( elem, name, data ) { return dataPriv.access( elem, name, data ); },
_removeData: function( elem, name ) { dataPriv.remove( elem, name ); } } );
jQuery.fn.extend( { data: function( key, value ) { var i, name, data, elem = this[ 0 ], attrs = elem && elem.attributes;
// Gets all values if ( key === undefined ) { if ( this.length ) { data = dataUser.get( elem );
if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) { i = attrs.length; while ( i-- ) {
// Support: IE 11 only // The attrs elements can be null (#14894) if ( attrs[ i ] ) { name = attrs[ i ].name; if ( name.indexOf( "data-" ) === 0 ) { name = jQuery.camelCase( name.slice( 5 ) ); dataAttr( elem, name, data[ name ] ); } } } dataPriv.set( elem, "hasDataAttrs", true ); } }
return data; }
// Sets multiple values if ( typeof key === "object" ) { return this.each( function() { dataUser.set( this, key ); } ); }
return access( this, function( value ) { var data;
// The calling jQuery object (element matches) is not empty // (and therefore has an element appears at this[ 0 ]) and the // `value` parameter was not undefined. An empty jQuery object // will result in `undefined` for elem = this[ 0 ] which will // throw an exception if an attempt to read a data cache is made. if ( elem && value === undefined ) {
// Attempt to get data from the cache // The key will always be camelCased in Data data = dataUser.get( elem, key ); if ( data !== undefined ) { return data; }
// Attempt to "discover" the data in // HTML5 custom data-* attrs data = dataAttr( elem, key ); if ( data !== undefined ) { return data; }
// We tried really hard, but the data doesn't exist. return; }
// Set the data... this.each( function() {
// We always store the camelCased key dataUser.set( this, key, value ); } ); }, null, value, arguments.length > 1, null, true ); },
removeData: function( key ) { return this.each( function() { dataUser.remove( this, key ); } ); } } );
jQuery.extend( {
queue: function( elem, type, data ) {
var queue;
if ( elem ) { type = ( type || "fx" ) + "queue"; queue = dataPriv.get( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { if ( !queue || Array.isArray( data ) ) { queue = dataPriv.access( elem, type, jQuery.makeArray( data ) ); } else { queue.push( data ); } } return queue || []; } },
dequeue: function( elem, type ) { type = type || "fx";
var queue = jQuery.queue( elem, type ), startLength = queue.length, fn = queue.shift(), hooks = jQuery._queueHooks( elem, type ), next = function() { jQuery.dequeue( elem, type ); };
// If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { fn = queue.shift(); startLength--; }
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); }
// Clear up the last queue stop function delete hooks.stop; fn.call( elem, next, hooks ); }
if ( !startLength && hooks ) { hooks.empty.fire(); } },
// Not public - generate a queueHooks object, or return the current one _queueHooks: function( elem, type ) { var key = type + "queueHooks"; return dataPriv.get( elem, key ) || dataPriv.access( elem, key, { empty: jQuery.Callbacks( "once memory" ).add( function() { dataPriv.remove( elem, [ type + "queue", key ] ); } ) } ); } } );
jQuery.fn.extend( { queue: function( type, data ) { var setter = 2;
if ( typeof type !== "string" ) { data = type; type = "fx"; setter--; }
if ( arguments.length < setter ) { return jQuery.queue( this[ 0 ], type ); }
return data === undefined ? this : this.each( function() { var queue = jQuery.queue( this, type, data );
// Ensure a hooks for this queue jQuery._queueHooks( this, type );
if ( type === "fx" && queue[ 0 ] !== "inprogress" ) { jQuery.dequeue( this, type ); } } ); }, dequeue: function( type ) { return this.each( function() { jQuery.dequeue( this, type ); } ); }, clearQueue: function( type ) { return this.queue( type || "fx", [] ); },
// Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, obj ) { var tmp, count = 1, defer = jQuery.Deferred(), elements = this, i = this.length, resolve = function() { if ( !( --count ) ) { defer.resolveWith( elements, [ elements ] ); } };
if ( typeof type !== "string" ) { obj = type; type = undefined; } type = type || "fx";
while ( i-- ) { tmp = dataPriv.get( elements[ i ], type + "queueHooks" ); if ( tmp && tmp.empty ) { count++; tmp.empty.add( resolve ); } } resolve(); return defer.promise( obj ); } } ); var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
var isHiddenWithinTree = function( elem, el ) {
// isHiddenWithinTree might be called from jQuery#filter function; // in that case, element will be second argument elem = el || elem;
// Inline style trumps all return elem.style.display === "none" || elem.style.display === "" &&
// Otherwise, check computed style // Support: Firefox <=43 - 45 // Disconnected elements can have computed display: none, so first confirm that elem is // in the document. jQuery.contains( elem.ownerDocument, elem ) &&
jQuery.css( elem, "display" ) === "none"; };
var swap = function( elem, options, callback, args ) { var ret, name, old = {};
// Remember the old values, and insert the new ones for ( name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }
ret = callback.apply( elem, args || [] );
// Revert the old values for ( name in options ) { elem.style[ name ] = old[ name ]; }
return ret; };
function adjustCSS( elem, prop, valueParts, tween ) {
var adjusted,
scale = 1,
maxIterations = 20,
currentValue = tween ?
function() {
return tween.cur();
} :
function() {
return jQuery.css( elem, prop, "" );
},
initial = currentValue(),
unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
// Starting value computation is required for potential unit mismatches initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) && rcssNum.exec( jQuery.css( elem, prop ) );
if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
// Trust units reported by jQuery.css unit = unit || initialInUnit[ 3 ];
// Make sure we update the tween properties later on valueParts = valueParts || [];
// Iteratively approximate from a nonzero starting point initialInUnit = +initial || 1;
do {
// If previous iteration zeroed out, double until we get *something*. // Use string for doubling so we don't accidentally see scale as unchanged below scale = scale || ".5";
// Adjust and apply initialInUnit = initialInUnit / scale; jQuery.style( elem, prop, initialInUnit + unit );
// Update scale, tolerating zero or NaN from tween.cur() // Break the loop if scale is unchanged or perfect, or if we've just had enough. } while ( scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations ); }
if ( valueParts ) { initialInUnit = +initialInUnit || +initial || 0;
// Apply relative offset (+=/-=) if specified adjusted = valueParts[ 1 ] ? initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] : +valueParts[ 2 ]; if ( tween ) { tween.unit = unit; tween.start = initialInUnit; tween.end = adjusted; } } return adjusted; }
var defaultDisplayMap = {};
function getDefaultDisplay( elem ) { var temp, doc = elem.ownerDocument, nodeName = elem.nodeName, display = defaultDisplayMap[ nodeName ];
if ( display ) { return display; }
temp = doc.body.appendChild( doc.createElement( nodeName ) ); display = jQuery.css( temp, "display" );
temp.parentNode.removeChild( temp );
if ( display === "none" ) { display = "block"; } defaultDisplayMap[ nodeName ] = display;
return display; }
function showHide( elements, show ) { var display, elem, values = [], index = 0, length = elements.length;
// Determine new display value for elements that need to change for ( ; index < length; index++ ) { elem = elements[ index ]; if ( !elem.style ) { continue; }
display = elem.style.display; if ( show ) {
// Since we force visibility upon cascade-hidden elements, an immediate (and slow) // check is required in this first loop unless we have a nonempty display value (either // inline or about-to-be-restored) if ( display === "none" ) { values[ index ] = dataPriv.get( elem, "display" ) || null; if ( !values[ index ] ) { elem.style.display = ""; } } if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) { values[ index ] = getDefaultDisplay( elem ); } } else { if ( display !== "none" ) { values[ index ] = "none";
// Remember what we're overwriting dataPriv.set( elem, "display", display ); } } }
// Set the display of the elements in a second loop to avoid constant reflow for ( index = 0; index < length; index++ ) { if ( values[ index ] != null ) { elements[ index ].style.display = values[ index ]; } }
return elements; }
jQuery.fn.extend( { show: function() { return showHide( this, true ); }, hide: function() { return showHide( this ); }, toggle: function( state ) { if ( typeof state === "boolean" ) { return state ? this.show() : this.hide(); }
return this.each( function() { if ( isHiddenWithinTree( this ) ) { jQuery( this ).show(); } else { jQuery( this ).hide(); } } ); } } ); var rcheckableType = ( /^(?:checkbox|radio)$/i );
var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
var rscriptType = ( /^$|\/(?:java|ecma)script/i );
// We have to close these tags to support XHTML (#13200) var wrapMap = {
// Support: IE <=9 only option: [ 1, "<select multiple='multiple'>", "</select>" ],
// XHTML parsers do not magically insert elements in the // same way that tag soup parsers do. So we cannot shorten // this by omitting <tbody> or other required elements.
thead: [ 1, "_default: [ 0, "", "" ] };
// Support: IE <=9 only wrapMap.optgroup = wrapMap.option;
wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; wrapMap.th = wrapMap.td;
function getAll( context, tag ) {
// Support: IE <=9 - 11 only // Use typeof to avoid zero-argument method invocation on host objects (#15151) var ret;
if ( typeof context.getElementsByTagName !== "undefined" ) { ret = context.getElementsByTagName( tag || "*" );
} else if ( typeof context.querySelectorAll !== "undefined" ) { ret = context.querySelectorAll( tag || "*" );
} else { ret = []; }
if ( tag === undefined || tag && nodeName( context, tag ) ) { return jQuery.merge( [ context ], ret ); }
return ret; }
// Mark scripts as having already been evaluated
function setGlobalEval( elems, refElements ) {
var i = 0,
l = elems.length;
for ( ; i < l; i++ ) { dataPriv.set( elems[ i ], "globalEval", !refElements || dataPriv.get( refElements[ i ], "globalEval" ) ); } }
var rhtml = /<|&#?\w+;/;
function buildFragment( elems, context, scripts, selection, ignored ) { var elem, tmp, tag, wrap, contains, j, fragment = context.createDocumentFragment(), nodes = [], i = 0, l = elems.length;
for ( ; i < l; i++ ) { elem = elems[ i ];
if ( elem || elem === 0 ) {
// Add nodes directly if ( jQuery.type( elem ) === "object" ) {
// Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
// Convert non-html into a text node } else if ( !rhtml.test( elem ) ) { nodes.push( context.createTextNode( elem ) );
// Convert html into DOM nodes } else { tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
// Deserialize a standard representation tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase(); wrap = wrapMap[ tag ] || wrapMap._default; tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
// Descend through wrappers to the right content j = wrap[ 0 ]; while ( j-- ) { tmp = tmp.lastChild; }
// Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( nodes, tmp.childNodes );
// Remember the top-level container tmp = fragment.firstChild;
// Ensure the created nodes are orphaned (#12392) tmp.textContent = ""; } } }
// Remove wrapper from fragment fragment.textContent = "";
i = 0; while ( ( elem = nodes[ i++ ] ) ) {
// Skip elements already in the context collection (trac-4087) if ( selection && jQuery.inArray( elem, selection ) > -1 ) { if ( ignored ) { ignored.push( elem ); } continue; }
contains = jQuery.contains( elem.ownerDocument, elem );
// Append to fragment tmp = getAll( fragment.appendChild( elem ), "script" );
// Preserve script evaluation history if ( contains ) { setGlobalEval( tmp ); }
// Capture executables if ( scripts ) { j = 0; while ( ( elem = tmp[ j++ ] ) ) { if ( rscriptType.test( elem.type || "" ) ) { scripts.push( elem ); } } } }
return fragment; }
( function() {
var fragment = document.createDocumentFragment(),
div = fragment.appendChild( document.createElement( "div" ) ),
input = document.createElement( "input" );
// Support: Android 4.0 - 4.3 only // Check state lost if the name is set (#11217) // Support: Windows Web Apps (WWA) // `name` and `type` must use .setAttribute for WWA (#14901) input.setAttribute( "type", "radio" ); input.setAttribute( "checked", "checked" ); input.setAttribute( "name", "t" );
div.appendChild( input );
// Support: Android <=4.1 only // Older WebKit doesn't clone checked state correctly in fragments support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
// Support: IE <=11 only // Make sure textarea (and checkbox) defaultValue is properly cloned div.innerHTML = "<textarea>x</textarea>"; support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue; } )(); var documentElement = document.documentElement;
var rkeyEvent = /^key/, rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/, rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
function returnTrue() { return true; }
function returnFalse() { return false; }
// Support: IE <=9 only // See #13393 for more info function safeActiveElement() { try { return document.activeElement; } catch ( err ) { } }
function on( elem, types, selector, data, fn, one ) { var origFn, type;
// Types can be a map of types/handlers if ( typeof types === "object" ) {
// ( types-Object, selector, data ) if ( typeof selector !== "string" ) {
// ( types-Object, data ) data = data || selector; selector = undefined; } for ( type in types ) { on( elem, type, selector, data, types[ type ], one ); } return elem; }
if ( data == null && fn == null ) {
// ( types, fn ) fn = selector; data = selector = undefined; } else if ( fn == null ) { if ( typeof selector === "string" ) {
// ( types, selector, fn ) fn = data; data = undefined; } else {
// ( types, data, fn ) fn = data; data = selector; selector = undefined; } } if ( fn === false ) { fn = returnFalse; } else if ( !fn ) { return elem; }
if ( one === 1 ) { origFn = fn; fn = function( event ) {
// Can use an empty set, since event contains the info jQuery().off( event ); return origFn.apply( this, arguments ); };
// Use same guid so caller can remove using origFn fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ ); } return elem.each( function() { jQuery.event.add( this, types, fn, data, selector ); } ); }
/*
* Helper functions for managing events -- not part of the public interface. * Props to Dean Edwards' addEvent library for many of the ideas. */
jQuery.event = {
global: {},
add: function( elem, types, handler, data, selector ) {
var handleObjIn, eventHandle, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.get( elem );
// Don't attach events to noData or text/comment nodes (but allow plain objects) if ( !elemData ) { return; }
// Caller can pass in an object of custom data in lieu of the handler if ( handler.handler ) { handleObjIn = handler; handler = handleObjIn.handler; selector = handleObjIn.selector; }
// Ensure that invalid selectors throw exceptions at attach time // Evaluate against documentElement in case elem is a non-element node (e.g., document) if ( selector ) { jQuery.find.matchesSelector( documentElement, selector ); }
// Make sure that the handler has a unique ID, used to find/remove it later if ( !handler.guid ) { handler.guid = jQuery.guid++; }
// Init the element's event structure and main handler, if this is the first if ( !( events = elemData.events ) ) { events = elemData.events = {}; } if ( !( eventHandle = elemData.handle ) ) { eventHandle = elemData.handle = function( e ) {
// Discard the second event of a jQuery.event.trigger() and // when an event is called after a page has unloaded return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ? jQuery.event.dispatch.apply( elem, arguments ) : undefined; }; }
// Handle multiple events separated by a space types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// There *must* be a type, no attaching namespace-only handlers if ( !type ) { continue; }
// If event changes its type, use the special event handlers for the changed type special = jQuery.event.special[ type ] || {};
// If selector defined, determine special event api type, otherwise given type type = ( selector ? special.delegateType : special.bindType ) || type;
// Update special based on newly reset type special = jQuery.event.special[ type ] || {};
// handleObj is passed to all event handlers handleObj = jQuery.extend( { type: type, origType: origType, data: data, handler: handler, guid: handler.guid, selector: selector, needsContext: selector && jQuery.expr.match.needsContext.test( selector ), namespace: namespaces.join( "." ) }, handleObjIn );
// Init the event handler queue if we're the first if ( !( handlers = events[ type ] ) ) { handlers = events[ type ] = []; handlers.delegateCount = 0;
// Only use addEventListener if the special events handler returns false if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
if ( elem.addEventListener ) { elem.addEventListener( type, eventHandle ); } } }
if ( special.add ) { special.add.call( elem, handleObj );
if ( !handleObj.handler.guid ) { handleObj.handler.guid = handler.guid; } }
// Add to the element's handler list, delegates in front if ( selector ) { handlers.splice( handlers.delegateCount++, 0, handleObj ); } else { handlers.push( handleObj ); }
// Keep track of which events have ever been used, for event optimization jQuery.event.global[ type ] = true; }
},
// Detach an event or set of events from an element remove: function( elem, types, handler, selector, mappedTypes ) {
var j, origCount, tmp, events, t, handleObj, special, handlers, type, namespaces, origType, elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
if ( !elemData || !( events = elemData.events ) ) { return; }
// Once for each type.namespace in types; type may be omitted types = ( types || "" ).match( rnothtmlwhite ) || [ "" ]; t = types.length; while ( t-- ) { tmp = rtypenamespace.exec( types[ t ] ) || []; type = origType = tmp[ 1 ]; namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
// Unbind all events (on this namespace, if provided) for the element if ( !type ) { for ( type in events ) { jQuery.event.remove( elem, type + types[ t ], handler, selector, true ); } continue; }
special = jQuery.event.special[ type ] || {}; type = ( selector ? special.delegateType : special.bindType ) || type; handlers = events[ type ] || []; tmp = tmp[ 2 ] && new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
// Remove matching events origCount = j = handlers.length; while ( j-- ) { handleObj = handlers[ j ];
if ( ( mappedTypes || origType === handleObj.origType ) && ( !handler || handler.guid === handleObj.guid ) && ( !tmp || tmp.test( handleObj.namespace ) ) && ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) { handlers.splice( j, 1 );
if ( handleObj.selector ) { handlers.delegateCount--; } if ( special.remove ) { special.remove.call( elem, handleObj ); } } }
// Remove generic event handler if we removed something and no more handlers exist // (avoids potential for endless recursion during removal of special event handlers) if ( origCount && !handlers.length ) { if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
jQuery.removeEvent( elem, type, elemData.handle ); }
delete events[ type ]; } }
// Remove data and the expando if it's no longer used if ( jQuery.isEmptyObject( events ) ) { dataPriv.remove( elem, "handle events" ); } },
dispatch: function( nativeEvent ) {
// Make a writable jQuery.Event from the native event object var event = jQuery.event.fix( nativeEvent );
var i, j, ret, matched, handleObj, handlerQueue, args = new Array( arguments.length ), handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [], special = jQuery.event.special[ event.type ] || {};
// Use the fix-ed jQuery.Event rather than the (read-only) native event args[ 0 ] = event;
for ( i = 1; i < arguments.length; i++ ) { args[ i ] = arguments[ i ]; }
event.delegateTarget = this;
// Call the preDispatch hook for the mapped type, and let it bail if desired if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) { return; }
// Determine handlers handlerQueue = jQuery.event.handlers.call( this, event, handlers );
// Run delegates first; they may want to stop propagation beneath us i = 0; while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) { event.currentTarget = matched.elem;
j = 0; while ( ( handleObj = matched.handlers[ j++ ] ) && !event.isImmediatePropagationStopped() ) {
// Triggered event must either 1) have no namespace, or 2) have namespace(s) // a subset or equal to those in the bound event (both can have no namespace). if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
event.handleObj = handleObj; event.data = handleObj.data;
ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle || handleObj.handler ).apply( matched.elem, args );
if ( ret !== undefined ) { if ( ( event.result = ret ) === false ) { event.preventDefault(); event.stopPropagation(); } } } } }
// Call the postDispatch hook for the mapped type if ( special.postDispatch ) { special.postDispatch.call( this, event ); }
return event.result; },
handlers: function( event, handlers ) { var i, handleObj, sel, matchedHandlers, matchedSelectors, handlerQueue = [], delegateCount = handlers.delegateCount, cur = event.target;
// Find delegate handlers if ( delegateCount &&
// Support: IE <=9 // Black-hole SVG <use> instance trees (trac-13180) cur.nodeType &&
// Support: Firefox <=42 // Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861) // https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click // Support: IE 11 only // ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343) !( event.type === "click" && event.button >= 1 ) ) {
for ( ; cur !== this; cur = cur.parentNode || this ) {
// Don't check non-elements (#13208) // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) { matchedHandlers = []; matchedSelectors = {}; for ( i = 0; i < delegateCount; i++ ) { handleObj = handlers[ i ];
// Don't conflict with Object.prototype properties (#13203) sel = handleObj.selector + " ";
if ( matchedSelectors[ sel ] === undefined ) { matchedSelectors[ sel ] = handleObj.needsContext ? jQuery( sel, this ).index( cur ) > -1 : jQuery.find( sel, this, null, [ cur ] ).length; } if ( matchedSelectors[ sel ] ) { matchedHandlers.push( handleObj ); } } if ( matchedHandlers.length ) { handlerQueue.push( { elem: cur, handlers: matchedHandlers } ); } } } }
// Add the remaining (directly-bound) handlers cur = this; if ( delegateCount < handlers.length ) { handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } ); }
return handlerQueue; },
addProp: function( name, hook ) { Object.defineProperty( jQuery.Event.prototype, name, { enumerable: true, configurable: true,
get: jQuery.isFunction( hook ) ? function() { if ( this.originalEvent ) { return hook( this.originalEvent ); } } : function() { if ( this.originalEvent ) { return this.originalEvent[ name ]; } },
set: function( value ) { Object.defineProperty( this, name, { enumerable: true, configurable: true, writable: true, value: value } ); } } ); },
fix: function( originalEvent ) { return originalEvent[ jQuery.expando ] ? originalEvent : new jQuery.Event( originalEvent ); },
special: { load: {
// Prevent triggered image.load events from bubbling to window.load noBubble: true }, focus: {
// Fire native event if possible so blur/focus sequence is correct trigger: function() { if ( this !== safeActiveElement() && this.focus ) { this.focus(); return false; } }, delegateType: "focusin" }, blur: { trigger: function() { if ( this === safeActiveElement() && this.blur ) { this.blur(); return false; } }, delegateType: "focusout" }, click: {
// For checkbox, fire native event so checked state will be right trigger: function() { if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) { this.click(); return false; } },
// For cross-browser consistency, don't fire native .click() on links _default: function( event ) { return nodeName( event.target, "a" ); } },
beforeunload: { postDispatch: function( event ) {
// Support: Firefox 20+ // Firefox doesn't alert if the returnValue field is not set. if ( event.result !== undefined && event.originalEvent ) { event.originalEvent.returnValue = event.result; } } } } };
jQuery.removeEvent = function( elem, type, handle ) {
// This "if" is needed for plain objects if ( elem.removeEventListener ) { elem.removeEventListener( type, handle ); } };
jQuery.Event = function( src, props ) {
// Allow instantiation without the 'new' keyword if ( !( this instanceof jQuery.Event ) ) { return new jQuery.Event( src, props ); }
// Event object if ( src && src.type ) { this.originalEvent = src; this.type = src.type;
// Events bubbling up the document may have been marked as prevented // by a handler lower down the tree; reflect the correct value. this.isDefaultPrevented = src.defaultPrevented || src.defaultPrevented === undefined &&
// Support: Android <=2.3 only src.returnValue === false ? returnTrue : returnFalse;
// Create target properties // Support: Safari <=6 - 7 only // Target should not be a text node (#504, #13143) this.target = ( src.target && src.target.nodeType === 3 ) ? src.target.parentNode : src.target;
this.currentTarget = src.currentTarget; this.relatedTarget = src.relatedTarget;
// Event type } else { this.type = src; }
// Put explicitly provided properties onto the event object if ( props ) { jQuery.extend( this, props ); }
// Create a timestamp if incoming event doesn't have one this.timeStamp = src && src.timeStamp || jQuery.now();
// Mark it as fixed this[ jQuery.expando ] = true; };
// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html jQuery.Event.prototype = { constructor: jQuery.Event, isDefaultPrevented: returnFalse, isPropagationStopped: returnFalse, isImmediatePropagationStopped: returnFalse, isSimulated: false,
preventDefault: function() { var e = this.originalEvent;
this.isDefaultPrevented = returnTrue;
if ( e && !this.isSimulated ) { e.preventDefault(); } }, stopPropagation: function() { var e = this.originalEvent;
this.isPropagationStopped = returnTrue;
if ( e && !this.isSimulated ) { e.stopPropagation(); } }, stopImmediatePropagation: function() { var e = this.originalEvent;
this.isImmediatePropagationStopped = returnTrue;
if ( e && !this.isSimulated ) { e.stopImmediatePropagation(); }
this.stopPropagation(); } };
// Includes all common event props including KeyEvent and MouseEvent specific props jQuery.each( { altKey: true, bubbles: true, cancelable: true, changedTouches: true, ctrlKey: true, detail: true, eventPhase: true, metaKey: true, pageX: true, pageY: true, shiftKey: true, view: true, "char": true, charCode: true, key: true, keyCode: true, button: true, buttons: true, clientX: true, clientY: true, offsetX: true, offsetY: true, pointerId: true, pointerType: true, screenX: true, screenY: true, targetTouches: true, toElement: true, touches: true,
which: function( event ) { var button = event.button;
// Add which for key events if ( event.which == null && rkeyEvent.test( event.type ) ) { return event.charCode != null ? event.charCode : event.keyCode; }
// Add which for click: 1 === left; 2 === middle; 3 === right if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) { if ( button & 1 ) { return 1; }
if ( button & 2 ) { return 3; }
if ( button & 4 ) { return 2; }
return 0; }
return event.which; } }, jQuery.event.addProp );
// Create mouseenter/leave events using mouseover/out and event-time checks // so that event delegation works in jQuery. // Do the same for pointerenter/pointerleave and pointerover/pointerout // // Support: Safari 7 only // Safari sends mouseenter too often; see: // https://bugs.chromium.org/p/chromium/issues/detail?id=470258 // for the description of the bug (it existed in older Chrome versions as well). jQuery.each( { mouseenter: "mouseover", mouseleave: "mouseout", pointerenter: "pointerover", pointerleave: "pointerout" }, function( orig, fix ) { jQuery.event.special[ orig ] = { delegateType: fix, bindType: fix,
handle: function( event ) { var ret, target = this, related = event.relatedTarget, handleObj = event.handleObj;
// For mouseenter/leave call the handler if related is outside the target. // NB: No relatedTarget if the mouse left/entered the browser window if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) { event.type = handleObj.origType; ret = handleObj.handler.apply( this, arguments ); event.type = fix; } return ret; } }; } );
jQuery.fn.extend( {
on: function( types, selector, data, fn ) { return on( this, types, selector, data, fn ); }, one: function( types, selector, data, fn ) { return on( this, types, selector, data, fn, 1 ); }, off: function( types, selector, fn ) { var handleObj, type; if ( types && types.preventDefault && types.handleObj ) {
// ( event ) dispatched jQuery.Event handleObj = types.handleObj; jQuery( types.delegateTarget ).off( handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, handleObj.selector, handleObj.handler ); return this; } if ( typeof types === "object" ) {
// ( types-object [, selector] ) for ( type in types ) { this.off( type, selector, types[ type ] ); } return this; } if ( selector === false || typeof selector === "function" ) {
// ( types [, fn] ) fn = selector; selector = undefined; } if ( fn === false ) { fn = returnFalse; } return this.each( function() { jQuery.event.remove( this, types, fn, selector ); } ); } } );
var
/* eslint-disable max-len */
// See https://github.com/eslint/eslint/issues/3229 rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
/* eslint-enable */
// Support: IE <=10 - 11, Edge 12 - 13 // In IE/Edge using regex groups here causes severe slowdowns. // See https://connect.microsoft.com/IE/feedback/details/1736512/ rnoInnerhtml = /<script|<style|<link/i,
// checked="checked" or checked rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i, rscriptTypeMasked = /^true\/(.*)/, rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
// Prefer a tbody over its parent table for containing new rows function manipulationTarget( elem, content ) { if ( nodeName( elem, "table" ) && nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
return jQuery( ">tbody", elem )[ 0 ] || elem; }
return elem; }
// Replace/restore the type attribute of script elements for safe DOM manipulation function disableScript( elem ) { elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type; return elem; } function restoreScript( elem ) { var match = rscriptTypeMasked.exec( elem.type );
if ( match ) { elem.type = match[ 1 ]; } else { elem.removeAttribute( "type" ); }
return elem; }
function cloneCopyEvent( src, dest ) { var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
if ( dest.nodeType !== 1 ) { return; }
// 1. Copy private data: events, handlers, etc. if ( dataPriv.hasData( src ) ) { pdataOld = dataPriv.access( src ); pdataCur = dataPriv.set( dest, pdataOld ); events = pdataOld.events;
if ( events ) { delete pdataCur.handle; pdataCur.events = {};
for ( type in events ) { for ( i = 0, l = events[ type ].length; i < l; i++ ) { jQuery.event.add( dest, type, events[ type ][ i ] ); } } } }
// 2. Copy user data if ( dataUser.hasData( src ) ) { udataOld = dataUser.access( src ); udataCur = jQuery.extend( {}, udataOld );
dataUser.set( dest, udataCur ); } }
// Fix IE bugs, see support tests function fixInput( src, dest ) { var nodeName = dest.nodeName.toLowerCase();
// Fails to persist the checked state of a cloned checkbox or radio button. if ( nodeName === "input" && rcheckableType.test( src.type ) ) { dest.checked = src.checked;
// Fails to return the selected option to the default selected state when cloning options } else if ( nodeName === "input" || nodeName === "textarea" ) { dest.defaultValue = src.defaultValue; } }
function domManip( collection, args, callback, ignored ) {
// Flatten any nested arrays args = concat.apply( [], args );
var fragment, first, scripts, hasScripts, node, doc, i = 0, l = collection.length, iNoClone = l - 1, value = args[ 0 ], isFunction = jQuery.isFunction( value );
// We can't cloneNode fragments that contain checked, in WebKit if ( isFunction || ( l > 1 && typeof value === "string" && !support.checkClone && rchecked.test( value ) ) ) { return collection.each( function( index ) { var self = collection.eq( index ); if ( isFunction ) { args[ 0 ] = value.call( this, index, self.html() ); } domManip( self, args, callback, ignored ); } ); }
if ( l ) { fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored ); first = fragment.firstChild;
if ( fragment.childNodes.length === 1 ) { fragment = first; }
// Require either new content or an interest in ignored elements to invoke the callback if ( first || ignored ) { scripts = jQuery.map( getAll( fragment, "script" ), disableScript ); hasScripts = scripts.length;
// Use the original fragment for the last item // instead of the first because it can end up // being emptied incorrectly in certain situations (#8070). for ( ; i < l; i++ ) { node = fragment;
if ( i !== iNoClone ) { node = jQuery.clone( node, true, true );
// Keep references to cloned scripts for later restoration if ( hasScripts ) {
// Support: Android <=4.0 only, PhantomJS 1 only // push.apply(_, arraylike) throws on ancient WebKit jQuery.merge( scripts, getAll( node, "script" ) ); } }
callback.call( collection[ i ], node, i ); }
if ( hasScripts ) { doc = scripts[ scripts.length - 1 ].ownerDocument;
// Reenable scripts jQuery.map( scripts, restoreScript );
// Evaluate executable scripts on first document insertion for ( i = 0; i < hasScripts; i++ ) { node = scripts[ i ]; if ( rscriptType.test( node.type || "" ) && !dataPriv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
if ( node.src ) {
// Optional AJAX dependency, but won't run scripts if not present if ( jQuery._evalUrl ) { jQuery._evalUrl( node.src ); } } else { DOMEval( node.textContent.replace( rcleanScript, "" ), doc ); } } } } } }
return collection; }
function remove( elem, selector, keepData ) { var node, nodes = selector ? jQuery.filter( selector, elem ) : elem, i = 0;
for ( ; ( node = nodes[ i ] ) != null; i++ ) { if ( !keepData && node.nodeType === 1 ) { jQuery.cleanData( getAll( node ) ); }
if ( node.parentNode ) { if ( keepData && jQuery.contains( node.ownerDocument, node ) ) { setGlobalEval( getAll( node, "script" ) ); } node.parentNode.removeChild( node ); } }
return elem; }
jQuery.extend( { htmlPrefilter: function( html ) { return html.replace( rxhtmlTag, "<$1></$2>" ); },
clone: function( elem, dataAndEvents, deepDataAndEvents ) { var i, l, srcElements, destElements, clone = elem.cloneNode( true ), inPage = jQuery.contains( elem.ownerDocument, elem );
// Fix IE cloning issues if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) && !jQuery.isXMLDoc( elem ) ) {
// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2 destElements = getAll( clone ); srcElements = getAll( elem );
for ( i = 0, l = srcElements.length; i < l; i++ ) { fixInput( srcElements[ i ], destElements[ i ] ); } }
// Copy the events from the original to the clone if ( dataAndEvents ) { if ( deepDataAndEvents ) { srcElements = srcElements || getAll( elem ); destElements = destElements || getAll( clone );
for ( i = 0, l = srcElements.length; i < l; i++ ) { cloneCopyEvent( srcElements[ i ], destElements[ i ] ); } } else { cloneCopyEvent( elem, clone ); } }
// Preserve script evaluation history destElements = getAll( clone, "script" ); if ( destElements.length > 0 ) { setGlobalEval( destElements, !inPage && getAll( elem, "script" ) ); }
// Return the cloned set return clone; },
cleanData: function( elems ) { var data, elem, type, special = jQuery.event.special, i = 0;
for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) { if ( acceptData( elem ) ) { if ( ( data = elem[ dataPriv.expando ] ) ) { if ( data.events ) { for ( type in data.events ) { if ( special[ type ] ) { jQuery.event.remove( elem, type );
// This is a shortcut to avoid jQuery.event.remove's overhead } else { jQuery.removeEvent( elem, type, data.handle ); } } }
// Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataPriv.expando ] = undefined; } if ( elem[ dataUser.expando ] ) {
// Support: Chrome <=35 - 45+ // Assign undefined instead of using delete, see Data#remove elem[ dataUser.expando ] = undefined; } } } } } );
jQuery.fn.extend( { detach: function( selector ) { return remove( this, selector, true ); },
remove: function( selector ) { return remove( this, selector ); },
text: function( value ) { return access( this, function( value ) { return value === undefined ? jQuery.text( this ) : this.empty().each( function() { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { this.textContent = value; } } ); }, null, value, arguments.length ); },
append: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.appendChild( elem ); } } ); },
prepend: function() { return domManip( this, arguments, function( elem ) { if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) { var target = manipulationTarget( this, elem ); target.insertBefore( elem, target.firstChild ); } } ); },
before: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this ); } } ); },
after: function() { return domManip( this, arguments, function( elem ) { if ( this.parentNode ) { this.parentNode.insertBefore( elem, this.nextSibling ); } } ); },
empty: function() { var elem, i = 0;
for ( ; ( elem = this[ i ] ) != null; i++ ) { if ( elem.nodeType === 1 ) {
// Prevent memory leaks jQuery.cleanData( getAll( elem, false ) );
// Remove any remaining nodes elem.textContent = ""; } }
return this; },
clone: function( dataAndEvents, deepDataAndEvents ) { dataAndEvents = dataAndEvents == null ? false : dataAndEvents; deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
return this.map( function() { return jQuery.clone( this, dataAndEvents, deepDataAndEvents ); } ); },
html: function( value ) { return access( this, function( value ) { var elem = this[ 0 ] || {}, i = 0, l = this.length;
if ( value === undefined && elem.nodeType === 1 ) { return elem.innerHTML; }
// See if we can take a shortcut and just use innerHTML if ( typeof value === "string" && !rnoInnerhtml.test( value ) && !wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
value = jQuery.htmlPrefilter( value );
try { for ( ; i < l; i++ ) { elem = this[ i ] || {};
// Remove element nodes and prevent memory leaks if ( elem.nodeType === 1 ) { jQuery.cleanData( getAll( elem, false ) ); elem.innerHTML = value; } }
elem = 0;
// If using innerHTML throws an exception, use the fallback method } catch ( e ) {} }
if ( elem ) { this.empty().append( value ); } }, null, value, arguments.length ); },
replaceWith: function() { var ignored = [];
// Make the changes, replacing each non-ignored context element with the new content return domManip( this, arguments, function( elem ) { var parent = this.parentNode;
if ( jQuery.inArray( this, ignored ) < 0 ) { jQuery.cleanData( getAll( this ) ); if ( parent ) { parent.replaceChild( elem, this ); } }
// Force callback invocation }, ignored ); } } );
jQuery.each( { appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function( name, original ) { jQuery.fn[ name ] = function( selector ) { var elems, ret = [], insert = jQuery( selector ), last = insert.length - 1, i = 0;
for ( ; i <= last; i++ ) { elems = i === last ? this : this.clone( true ); jQuery( insert[ i ] )[ original ]( elems );
// Support: Android <=4.0 only, PhantomJS 1 only // .get() because push.apply(_, arraylike) throws on ancient WebKit push.apply( ret, elems.get() ); }
return this.pushStack( ret ); }; } ); var rmargin = ( /^margin/ );
var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
var getStyles = function( elem ) {
// Support: IE <=11 only, Firefox <=30 (#15098, #14150) // IE throws on elements created in popups // FF meanwhile throws on frame elements through "defaultView.getComputedStyle" var view = elem.ownerDocument.defaultView;
if ( !view || !view.opener ) { view = window; }
return view.getComputedStyle( elem ); };
( function() {
// Executing both pixelPosition & boxSizingReliable tests require only one layout // so they're executed at the same time to save the second computation. function computeStyleTests() {
// This is a singleton, we need to execute it only once if ( !div ) { return; }
div.style.cssText = "box-sizing:border-box;" + "position:relative;display:block;" + "margin:auto;border:1px;padding:1px;" + "top:1%;width:50%"; div.innerHTML = ""; documentElement.appendChild( container );
var divStyle = window.getComputedStyle( div ); pixelPositionVal = divStyle.top !== "1%";
// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44 reliableMarginLeftVal = divStyle.marginLeft === "2px"; boxSizingReliableVal = divStyle.width === "4px";
// Support: Android 4.0 - 4.3 only // Some styles come back with percentage values, even though they shouldn't div.style.marginRight = "50%"; pixelMarginRightVal = divStyle.marginRight === "4px";
documentElement.removeChild( container );
// Nullify the div so it wouldn't be stored in the memory and // it will also be a sign that checks already performed div = null; }
var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal, container = document.createElement( "div" ), div = document.createElement( "div" );
// Finish early in limited (non-browser) environments if ( !div.style ) { return; }
// Support: IE <=9 - 11 only // Style of cloned element affects source element cloned (#8908) div.style.backgroundClip = "content-box"; div.cloneNode( true ).style.backgroundClip = ""; support.clearCloneStyle = div.style.backgroundClip === "content-box";
container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" + "padding:0;margin-top:1px;position:absolute"; container.appendChild( div );
jQuery.extend( support, { pixelPosition: function() { computeStyleTests(); return pixelPositionVal; }, boxSizingReliable: function() { computeStyleTests(); return boxSizingReliableVal; }, pixelMarginRight: function() { computeStyleTests(); return pixelMarginRightVal; }, reliableMarginLeft: function() { computeStyleTests(); return reliableMarginLeftVal; } } ); } )();
function curCSS( elem, name, computed ) {
var width, minWidth, maxWidth, ret,
// Support: Firefox 51+ // Retrieving style before computed somehow // fixes an issue with getting wrong values // on detached elements style = elem.style;
computed = computed || getStyles( elem );
// getPropertyValue is needed for: // .css('filter') (IE 9 only, #12537) // .css('--customProperty) (#3144) if ( computed ) { ret = computed.getPropertyValue( name ) || computed[ name ];
if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) { ret = jQuery.style( elem, name ); }
// A tribute to the "awesome hack by Dean Edwards" // Android Browser returns percentage for some values, // but width seems to be reliably pixels. // This is against the CSSOM draft spec: // https://drafts.csswg.org/cssom/#resolved-values if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
// Remember the original values width = style.width; minWidth = style.minWidth; maxWidth = style.maxWidth;
// Put in the new values to get a computed value out style.minWidth = style.maxWidth = style.width = ret; ret = computed.width;
// Revert the changed values style.width = width; style.minWidth = minWidth; style.maxWidth = maxWidth; } }
return ret !== undefined ?
// Support: IE <=9 - 11 only // IE returns zIndex value as an integer. ret + "" : ret; }
function addGetHookIf( conditionFn, hookFn ) {
// Define the hook, we'll check on the first run if it's really needed. return { get: function() { if ( conditionFn() ) {
// Hook not needed (or it's not possible to use it due // to missing dependency), remove it. delete this.get; return; }
// Hook needed; redefine it so that the support test is not executed again. return ( this.get = hookFn ).apply( this, arguments ); } }; }
var
// Swappable if display is none or starts with table // except "table", "table-cell", or "table-caption" // See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display rdisplayswap = /^(none|table(?!-c[ea]).+)/, rcustomProp = /^--/, cssShow = { position: "absolute", visibility: "hidden", display: "block" }, cssNormalTransform = { letterSpacing: "0", fontWeight: "400" },
cssPrefixes = [ "Webkit", "Moz", "ms" ], emptyStyle = document.createElement( "div" ).style;
// Return a css property mapped to a potentially vendor prefixed property function vendorPropName( name ) {
// Shortcut for names that are not vendor prefixed if ( name in emptyStyle ) { return name; }
// Check for vendor prefixed names var capName = name[ 0 ].toUpperCase() + name.slice( 1 ), i = cssPrefixes.length;
while ( i-- ) { name = cssPrefixes[ i ] + capName; if ( name in emptyStyle ) { return name; } } }
// Return a property mapped along what jQuery.cssProps suggests or to // a vendor prefixed property. function finalPropName( name ) { var ret = jQuery.cssProps[ name ]; if ( !ret ) { ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name; } return ret; }
function setPositiveNumber( elem, value, subtract ) {
// Any relative (+/-) values have already been // normalized at this point var matches = rcssNum.exec( value ); return matches ?
// Guard against undefined "subtract", e.g., when used as in cssHooks Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) : value; }
function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) { var i, val = 0;
// If we already have the right measurement, avoid augmentation if ( extra === ( isBorderBox ? "border" : "content" ) ) { i = 4;
// Otherwise initialize for horizontal or vertical properties } else { i = name === "width" ? 1 : 0; }
for ( ; i < 4; i += 2 ) {
// Both box models exclude margin, so add it if we want it if ( extra === "margin" ) { val += jQuery.css( elem, extra + cssExpand[ i ], true, styles ); }
if ( isBorderBox ) {
// border-box includes padding, so remove it if we want content if ( extra === "content" ) { val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles ); }
// At this point, extra isn't border nor margin, so remove border if ( extra !== "margin" ) { val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } else {
// At this point, extra isn't content, so add padding val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
// At this point, extra isn't content nor padding, so add border if ( extra !== "padding" ) { val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles ); } } }
return val; }
function getWidthOrHeight( elem, name, extra ) {
// Start with computed style var valueIsBorderBox, styles = getStyles( elem ), val = curCSS( elem, name, styles ), isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
// Computed unit is not pixels. Stop here and return. if ( rnumnonpx.test( val ) ) { return val; }
// Check for style in case a browser which returns unreliable values // for getComputedStyle silently falls back to the reliable elem.style valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
// Fall back to offsetWidth/Height when value is "auto" // This happens for inline elements with no explicit setting (gh-3571) if ( val === "auto" ) { val = elem[ "offset" + name[ 0 ].toUpperCase() + name.slice( 1 ) ]; }
// Normalize "", auto, and prepare for extra val = parseFloat( val ) || 0;
// Use the active box-sizing model to add/subtract irrelevant styles return ( val + augmentWidthOrHeight( elem, name, extra || ( isBorderBox ? "border" : "content" ), valueIsBorderBox, styles ) ) + "px"; }
jQuery.extend( {
// Add in style property hooks for overriding the default // behavior of getting and setting a style property cssHooks: { opacity: { get: function( elem, computed ) { if ( computed ) {
// We should always get a number back from opacity var ret = curCSS( elem, "opacity" ); return ret === "" ? "1" : ret; } } } },
// Don't automatically add "px" to these possibly-unitless properties cssNumber: { "animationIterationCount": true, "columnCount": true, "fillOpacity": true, "flexGrow": true, "flexShrink": true, "fontWeight": true, "lineHeight": true, "opacity": true, "order": true, "orphans": true, "widows": true, "zIndex": true, "zoom": true },
// Add in properties whose names you wish to fix before // setting or getting the value cssProps: { "float": "cssFloat" },
// Get and set the style property on a DOM Node style: function( elem, name, value, extra ) {
// Don't set styles on text and comment nodes if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) { return; }
// Make sure that we're working with the right name var ret, type, hooks, origName = jQuery.camelCase( name ), isCustomProp = rcustomProp.test( name ), style = elem.style;
// Make sure that we're working with the right name. We don't // want to query the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); }
// Gets hook for the prefixed version, then unprefixed version hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// Check if we're setting a value if ( value !== undefined ) { type = typeof value;
// Convert "+=" or "-=" to relative numbers (#7345) if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) { value = adjustCSS( elem, name, ret );
// Fixes bug #9237 type = "number"; }
// Make sure that null and NaN values aren't set (#7116) if ( value == null || value !== value ) { return; }
// If a number was passed in, add the unit (except for certain CSS properties) if ( type === "number" ) { value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" ); }
// background-* props affect original clone's values if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) { style[ name ] = "inherit"; }
// If a hook was provided, use that value, otherwise just set the specified value if ( !hooks || !( "set" in hooks ) || ( value = hooks.set( elem, value, extra ) ) !== undefined ) {
if ( isCustomProp ) { style.setProperty( name, value ); } else { style[ name ] = value; } }
} else {
// If a hook was provided get the non-computed value from there if ( hooks && "get" in hooks && ( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
return ret; }
// Otherwise just get the value from the style object return style[ name ]; } },
css: function( elem, name, extra, styles ) { var val, num, hooks, origName = jQuery.camelCase( name ), isCustomProp = rcustomProp.test( name );
// Make sure that we're working with the right name. We don't // want to modify the value if it is a CSS custom property // since they are user-defined. if ( !isCustomProp ) { name = finalPropName( origName ); }
// Try prefixed name followed by the unprefixed name hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
// If a hook was provided get the computed value from there if ( hooks && "get" in hooks ) { val = hooks.get( elem, true, extra ); }
// Otherwise, if a way to get the computed value exists, use that if ( val === undefined ) { val = curCSS( elem, name, styles ); }
// Convert "normal" to computed value if ( val === "normal" && name in cssNormalTransform ) { val = cssNormalTransform[ name ]; }
// Make numeric if forced or a qualifier was provided and val looks numeric if ( extra === "" || extra ) { num = parseFloat( val ); return extra === true || isFinite( num ) ? num || 0 : val; }
return val; } } );
jQuery.each( [ "height", "width" ], function( i, name ) { jQuery.cssHooks[ name ] = { get: function( elem, computed, extra ) { if ( computed ) {
// Certain elements can have dimension info if we invisibly show them // but it must have a current display style that would benefit return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
// Support: Safari 8+ // Table columns in Safari have non-zero offsetWidth & zero // getBoundingClientRect().width unless display is changed. // Support: IE <=11 only // Running getBoundingClientRect on a disconnected node // in IE throws an error. ( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ? swap( elem, cssShow, function() { return getWidthOrHeight( elem, name, extra ); } ) : getWidthOrHeight( elem, name, extra ); } },
set: function( elem, value, extra ) { var matches, styles = extra && getStyles( elem ), subtract = extra && augmentWidthOrHeight( elem, name, extra, jQuery.css( elem, "boxSizing", false, styles ) === "border-box", styles );
// Convert to pixels if value adjustment is needed if ( subtract && ( matches = rcssNum.exec( value ) ) && ( matches[ 3 ] || "px" ) !== "px" ) {
elem.style[ name ] = value; value = jQuery.css( elem, name ); }
return setPositiveNumber( elem, value, subtract ); } }; } );
jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft, function( elem, computed ) { if ( computed ) { return ( parseFloat( curCSS( elem, "marginLeft" ) ) || elem.getBoundingClientRect().left - swap( elem, { marginLeft: 0 }, function() { return elem.getBoundingClientRect().left; } ) ) + "px"; } } );
// These hooks are used by animate to expand properties jQuery.each( { margin: "", padding: "", border: "Width" }, function( prefix, suffix ) { jQuery.cssHooks[ prefix + suffix ] = { expand: function( value ) { var i = 0, expanded = {},
// Assumes a single number if not a string parts = typeof value === "string" ? value.split( " " ) : [ value ];
for ( ; i < 4; i++ ) { expanded[ prefix + cssExpand[ i ] + suffix ] = parts[ i ] || parts[ i - 2 ] || parts[ 0 ]; }
return expanded; } };
if ( !rmargin.test( prefix ) ) { jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber; } } );
jQuery.fn.extend( { css: function( name, value ) { return access( this, function( elem, name, value ) { var styles, len, map = {}, i = 0;
if ( Array.isArray( name ) ) { styles = getStyles( elem ); len = name.length;
for ( ; i < len; i++ ) { map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles ); }
return map; }
return value !== undefined ? jQuery.style( elem, name, value ) : jQuery.css( elem, name ); }, name, value, arguments.length > 1 ); } } );
function Tween( elem, options, prop, end, easing ) {
return new Tween.prototype.init( elem, options, prop, end, easing );
}
jQuery.Tween = Tween;
Tween.prototype = { constructor: Tween, init: function( elem, options, prop, end, easing, unit ) { this.elem = elem; this.prop = prop; this.easing = easing || jQuery.easing._default; this.options = options; this.start = this.now = this.cur(); this.end = end; this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" ); }, cur: function() { var hooks = Tween.propHooks[ this.prop ];
return hooks && hooks.get ? hooks.get( this ) : Tween.propHooks._default.get( this ); }, run: function( percent ) { var eased, hooks = Tween.propHooks[ this.prop ];
if ( this.options.duration ) { this.pos = eased = jQuery.easing[ this.easing ]( percent, this.options.duration * percent, 0, 1, this.options.duration ); } else { this.pos = eased = percent; } this.now = ( this.end - this.start ) * eased + this.start;
if ( this.options.step ) { this.options.step.call( this.elem, this.now, this ); }
if ( hooks && hooks.set ) { hooks.set( this ); } else { Tween.propHooks._default.set( this ); } return this; } };
Tween.prototype.init.prototype = Tween.prototype;
Tween.propHooks = { _default: { get: function( tween ) { var result;
// Use a property on the element directly when it is not a DOM element, // or when there is no matching style property that exists. if ( tween.elem.nodeType !== 1 || tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) { return tween.elem[ tween.prop ]; }
// Passing an empty string as a 3rd parameter to .css will automatically // attempt a parseFloat and fallback to a string if the parse fails. // Simple values such as "10px" are parsed to Float; // complex values such as "rotate(1rad)" are returned as-is. result = jQuery.css( tween.elem, tween.prop, "" );
// Empty strings, null, undefined and "auto" are converted to 0. return !result || result === "auto" ? 0 : result; }, set: function( tween ) {
// Use step hook for back compat. // Use cssHook if its there. // Use .style if available and use plain properties where available. if ( jQuery.fx.step[ tween.prop ] ) { jQuery.fx.step[ tween.prop ]( tween ); } else if ( tween.elem.nodeType === 1 && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) { jQuery.style( tween.elem, tween.prop, tween.now + tween.unit ); } else { tween.elem[ tween.prop ] = tween.now; } } } };
// Support: IE <=9 only // Panic based approach to setting things on disconnected nodes Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = { set: function( tween ) { if ( tween.elem.nodeType && tween.elem.parentNode ) { tween.elem[ tween.prop ] = tween.now; } } };
jQuery.easing = { linear: function( p ) { return p; }, swing: function( p ) { return 0.5 - Math.cos( p * Math.PI ) / 2; }, _default: "swing" };
jQuery.fx = Tween.prototype.init;
// Back compat <1.8 extension point jQuery.fx.step = {};
var
fxNow, inProgress,
rfxtypes = /^(?:toggle|show|hide)$/,
rrun = /queueHooks$/;
function schedule() { if ( inProgress ) { if ( document.hidden === false && window.requestAnimationFrame ) { window.requestAnimationFrame( schedule ); } else { window.setTimeout( schedule, jQuery.fx.interval ); }
jQuery.fx.tick(); } }
// Animations created synchronously will run synchronously function createFxNow() { window.setTimeout( function() { fxNow = undefined; } ); return ( fxNow = jQuery.now() ); }
// Generate parameters to create a standard animation function genFx( type, includeWidth ) { var which, i = 0, attrs = { height: type };
// If we include width, step value is 1 to do all cssExpand values, // otherwise step value is 2 to skip over Left and Right includeWidth = includeWidth ? 1 : 0; for ( ; i < 4; i += 2 - includeWidth ) { which = cssExpand[ i ]; attrs[ "margin" + which ] = attrs[ "padding" + which ] = type; }
if ( includeWidth ) { attrs.opacity = attrs.width = type; }
return attrs; }
function createTween( value, prop, animation ) { var tween, collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ), index = 0, length = collection.length; for ( ; index < length; index++ ) { if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
// We're done with this property return tween; } } }
function defaultPrefilter( elem, props, opts ) { var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display, isBox = "width" in props || "height" in props, anim = this, orig = {}, style = elem.style, hidden = elem.nodeType && isHiddenWithinTree( elem ), dataShow = dataPriv.get( elem, "fxshow" );
// Queue-skipping animations hijack the fx hooks if ( !opts.queue ) { hooks = jQuery._queueHooks( elem, "fx" ); if ( hooks.unqueued == null ) { hooks.unqueued = 0; oldfire = hooks.empty.fire; hooks.empty.fire = function() { if ( !hooks.unqueued ) { oldfire(); } }; } hooks.unqueued++;
anim.always( function() {
// Ensure the complete handler is called before this completes anim.always( function() { hooks.unqueued--; if ( !jQuery.queue( elem, "fx" ).length ) { hooks.empty.fire(); } } ); } ); }
// Detect show/hide animations for ( prop in props ) { value = props[ prop ]; if ( rfxtypes.test( value ) ) { delete props[ prop ]; toggle = toggle || value === "toggle"; if ( value === ( hidden ? "hide" : "show" ) ) {
// Pretend to be hidden if this is a "show" and // there is still data from a stopped show/hide if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) { hidden = true;
// Ignore all other no-op show/hide data } else { continue; } } orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop ); } }
// Bail out if this is a no-op like .hide().hide() propTween = !jQuery.isEmptyObject( props ); if ( !propTween && jQuery.isEmptyObject( orig ) ) { return; }
// Restrict "overflow" and "display" styles during box animations if ( isBox && elem.nodeType === 1 ) {
// Support: IE <=9 - 11, Edge 12 - 13 // Record all 3 overflow attributes because IE does not infer the shorthand // from identically-valued overflowX and overflowY opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
// Identify a display type, preferring old show/hide data over the CSS cascade restoreDisplay = dataShow && dataShow.display; if ( restoreDisplay == null ) { restoreDisplay = dataPriv.get( elem, "display" ); } display = jQuery.css( elem, "display" ); if ( display === "none" ) { if ( restoreDisplay ) { display = restoreDisplay; } else {
// Get nonempty value(s) by temporarily forcing visibility showHide( [ elem ], true ); restoreDisplay = elem.style.display || restoreDisplay; display = jQuery.css( elem, "display" ); showHide( [ elem ] ); } }
// Animate inline elements as inline-block if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) { if ( jQuery.css( elem, "float" ) === "none" ) {
// Restore the original display value at the end of pure show/hide animations if ( !propTween ) { anim.done( function() { style.display = restoreDisplay; } ); if ( restoreDisplay == null ) { display = style.display; restoreDisplay = display === "none" ? "" : display; } } style.display = "inline-block"; } } }
if ( opts.overflow ) { style.overflow = "hidden"; anim.always( function() { style.overflow = opts.overflow[ 0 ]; style.overflowX = opts.overflow[ 1 ]; style.overflowY = opts.overflow[ 2 ]; } ); }
// Implement show/hide animations propTween = false; for ( prop in orig ) {
// General show/hide setup for this element animation if ( !propTween ) { if ( dataShow ) { if ( "hidden" in dataShow ) { hidden = dataShow.hidden; } } else { dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } ); }
// Store hidden/visible for toggle so `.stop().toggle()` "reverses" if ( toggle ) { dataShow.hidden = !hidden; }
// Show elements before animating them if ( hidden ) { showHide( [ elem ], true ); }
/* eslint-disable no-loop-func */
anim.done( function() {
/* eslint-enable no-loop-func */
// The final step of a "hide" animation is actually hiding the element if ( !hidden ) { showHide( [ elem ] ); } dataPriv.remove( elem, "fxshow" ); for ( prop in orig ) { jQuery.style( elem, prop, orig[ prop ] ); } } ); }
// Per-property setup propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim ); if ( !( prop in dataShow ) ) { dataShow[ prop ] = propTween.start; if ( hidden ) { propTween.end = propTween.start; propTween.start = 0; } } } }
function propFilter( props, specialEasing ) { var index, name, easing, value, hooks;
// camelCase, specialEasing and expand cssHook pass for ( index in props ) { name = jQuery.camelCase( index ); easing = specialEasing[ name ]; value = props[ index ]; if ( Array.isArray( value ) ) { easing = value[ 1 ]; value = props[ index ] = value[ 0 ]; }
if ( index !== name ) { props[ name ] = value; delete props[ index ]; }
hooks = jQuery.cssHooks[ name ]; if ( hooks && "expand" in hooks ) { value = hooks.expand( value ); delete props[ name ];
// Not quite $.extend, this won't overwrite existing keys. // Reusing 'index' because we have the correct "name" for ( index in value ) { if ( !( index in props ) ) { props[ index ] = value[ index ]; specialEasing[ index ] = easing; } } } else { specialEasing[ name ] = easing; } } }
function Animation( elem, properties, options ) { var result, stopped, index = 0, length = Animation.prefilters.length, deferred = jQuery.Deferred().always( function() {
// Don't match elem in the :animated selector delete tick.elem; } ), tick = function() { if ( stopped ) { return false; } var currentTime = fxNow || createFxNow(), remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
// Support: Android 2.3 only // Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497) temp = remaining / animation.duration || 0, percent = 1 - temp, index = 0, length = animation.tweens.length;
for ( ; index < length; index++ ) { animation.tweens[ index ].run( percent ); }
deferred.notifyWith( elem, [ animation, percent, remaining ] );
// If there's more to do, yield if ( percent < 1 && length ) { return remaining; }
// If this was an empty animation, synthesize a final progress notification if ( !length ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); }
// Resolve the animation and report its conclusion deferred.resolveWith( elem, [ animation ] ); return false; }, animation = deferred.promise( { elem: elem, props: jQuery.extend( {}, properties ), opts: jQuery.extend( true, { specialEasing: {}, easing: jQuery.easing._default }, options ), originalProperties: properties, originalOptions: options, startTime: fxNow || createFxNow(), duration: options.duration, tweens: [], createTween: function( prop, end ) { var tween = jQuery.Tween( elem, animation.opts, prop, end, animation.opts.specialEasing[ prop ] || animation.opts.easing ); animation.tweens.push( tween ); return tween; }, stop: function( gotoEnd ) { var index = 0,
// If we are going to the end, we want to run all the tweens // otherwise we skip this part length = gotoEnd ? animation.tweens.length : 0; if ( stopped ) { return this; } stopped = true; for ( ; index < length; index++ ) { animation.tweens[ index ].run( 1 ); }
// Resolve when we played the last frame; otherwise, reject if ( gotoEnd ) { deferred.notifyWith( elem, [ animation, 1, 0 ] ); deferred.resolveWith( elem, [ animation, gotoEnd ] ); } else { deferred.rejectWith( elem, [ animation, gotoEnd ] ); } return this; } } ), props = animation.props;
propFilter( props, animation.opts.specialEasing );
for ( ; index < length; index++ ) { result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts ); if ( result ) { if ( jQuery.isFunction( result.stop ) ) { jQuery._queueHooks( animation.elem, animation.opts.queue ).stop = jQuery.proxy( result.stop, result ); } return result; } }
jQuery.map( props, createTween, animation );
if ( jQuery.isFunction( animation.opts.start ) ) { animation.opts.start.call( elem, animation ); }
// Attach callbacks from options animation .progress( animation.opts.progress ) .done( animation.opts.done, animation.opts.complete ) .fail( animation.opts.fail ) .always( animation.opts.always );
jQuery.fx.timer( jQuery.extend( tick, { elem: elem, anim: animation, queue: animation.opts.queue } ) );
return animation; }
jQuery.Animation = jQuery.extend( Animation, {
tweeners: { "*": [ function( prop, value ) { var tween = this.createTween( prop, value ); adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween ); return tween; } ] },
tweener: function( props, callback ) { if ( jQuery.isFunction( props ) ) { callback = props; props = [ "*" ]; } else { props = props.match( rnothtmlwhite ); }
var prop, index = 0, length = props.length;
for ( ; index < length; index++ ) { prop = props[ index ]; Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || []; Animation.tweeners[ prop ].unshift( callback ); } },
prefilters: [ defaultPrefilter ],
prefilter: function( callback, prepend ) { if ( prepend ) { Animation.prefilters.unshift( callback ); } else { Animation.prefilters.push( callback ); } } } );
jQuery.speed = function( speed, easing, fn ) { var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : { complete: fn || !fn && easing || jQuery.isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing };
// Go to the end state if fx are off if ( jQuery.fx.off ) { opt.duration = 0;
} else { if ( typeof opt.duration !== "number" ) { if ( opt.duration in jQuery.fx.speeds ) { opt.duration = jQuery.fx.speeds[ opt.duration ];
} else { opt.duration = jQuery.fx.speeds._default; } } }
// Normalize opt.queue - true/undefined/null -> "fx" if ( opt.queue == null || opt.queue === true ) { opt.queue = "fx"; }
// Queueing opt.old = opt.complete;
opt.complete = function() { if ( jQuery.isFunction( opt.old ) ) { opt.old.call( this ); }
if ( opt.queue ) { jQuery.dequeue( this, opt.queue ); } };
return opt; };
jQuery.fn.extend( { fadeTo: function( speed, to, easing, callback ) {
// Show any hidden elements after setting opacity to 0 return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
// Animate to the value specified .end().animate( { opacity: to }, speed, easing, callback ); }, animate: function( prop, speed, easing, callback ) { var empty = jQuery.isEmptyObject( prop ), optall = jQuery.speed( speed, easing, callback ), doAnimation = function() {
// Operate on a copy of prop so per-property easing won't be lost var anim = Animation( this, jQuery.extend( {}, prop ), optall );
// Empty animations, or finishing resolves immediately if ( empty || dataPriv.get( this, "finish" ) ) { anim.stop( true ); } }; doAnimation.finish = doAnimation;
return empty || optall.queue === false ? this.each( doAnimation ) : this.queue( optall.queue, doAnimation ); }, stop: function( type, clearQueue, gotoEnd ) { var stopQueue = function( hooks ) { var stop = hooks.stop; delete hooks.stop; stop( gotoEnd ); };
if ( typeof type !== "string" ) { gotoEnd = clearQueue; clearQueue = type; type = undefined; } if ( clearQueue && type !== false ) { this.queue( type || "fx", [] ); }
return this.each( function() { var dequeue = true, index = type != null && type + "queueHooks", timers = jQuery.timers, data = dataPriv.get( this );
if ( index ) { if ( data[ index ] && data[ index ].stop ) { stopQueue( data[ index ] ); } } else { for ( index in data ) { if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) { stopQueue( data[ index ] ); } } }
for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && ( type == null || timers[ index ].queue === type ) ) {
timers[ index ].anim.stop( gotoEnd ); dequeue = false; timers.splice( index, 1 ); } }
// Start the next in the queue if the last step wasn't forced. // Timers currently will call their complete callbacks, which // will dequeue but only if they were gotoEnd. if ( dequeue || !gotoEnd ) { jQuery.dequeue( this, type ); } } ); }, finish: function( type ) { if ( type !== false ) { type = type || "fx"; } return this.each( function() { var index, data = dataPriv.get( this ), queue = data[ type + "queue" ], hooks = data[ type + "queueHooks" ], timers = jQuery.timers, length = queue ? queue.length : 0;
// Enable finishing flag on private data data.finish = true;
// Empty the queue first jQuery.queue( this, type, [] );
if ( hooks && hooks.stop ) { hooks.stop.call( this, true ); }
// Look for any active animations, and finish them for ( index = timers.length; index--; ) { if ( timers[ index ].elem === this && timers[ index ].queue === type ) { timers[ index ].anim.stop( true ); timers.splice( index, 1 ); } }
// Look for any animations in the old queue and finish them for ( index = 0; index < length; index++ ) { if ( queue[ index ] && queue[ index ].finish ) { queue[ index ].finish.call( this ); } }
// Turn off finishing flag delete data.finish; } ); } } );
jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) { var cssFn = jQuery.fn[ name ]; jQuery.fn[ name ] = function( speed, easing, callback ) { return speed == null || typeof speed === "boolean" ? cssFn.apply( this, arguments ) : this.animate( genFx( name, true ), speed, easing, callback ); }; } );
// Generate shortcuts for custom animations jQuery.each( { slideDown: genFx( "show" ), slideUp: genFx( "hide" ), slideToggle: genFx( "toggle" ), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" }, fadeToggle: { opacity: "toggle" } }, function( name, props ) { jQuery.fn[ name ] = function( speed, easing, callback ) { return this.animate( props, speed, easing, callback ); }; } );
jQuery.timers = []; jQuery.fx.tick = function() { var timer, i = 0, timers = jQuery.timers;
fxNow = jQuery.now();
for ( ; i < timers.length; i++ ) { timer = timers[ i ];
// Run the timer and safely remove it when done (allowing for external removal) if ( !timer() && timers[ i ] === timer ) { timers.splice( i--, 1 ); } }
if ( !timers.length ) { jQuery.fx.stop(); } fxNow = undefined; };
jQuery.fx.timer = function( timer ) { jQuery.timers.push( timer ); jQuery.fx.start(); };
jQuery.fx.interval = 13; jQuery.fx.start = function() { if ( inProgress ) { return; }
inProgress = true; schedule(); };
jQuery.fx.stop = function() { inProgress = null; };
jQuery.fx.speeds = { slow: 600, fast: 200,
// Default speed _default: 400 };
// Based off of the plugin by Clint Helfers, with permission.
// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
jQuery.fn.delay = function( time, type ) {
time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
type = type || "fx";
return this.queue( type, function( next, hooks ) { var timeout = window.setTimeout( next, time ); hooks.stop = function() { window.clearTimeout( timeout ); }; } ); };
( function() {
var input = document.createElement( "input" ),
select = document.createElement( "select" ),
opt = select.appendChild( document.createElement( "option" ) );
input.type = "checkbox";
// Support: Android <=4.3 only // Default value for a checkbox should be "on" support.checkOn = input.value !== "";
// Support: IE <=11 only // Must access selectedIndex to make default options select support.optSelected = opt.selected;
// Support: IE <=11 only // An input loses its value after becoming a radio input = document.createElement( "input" ); input.value = "t"; input.type = "radio"; support.radioValue = input.value === "t"; } )();
var boolHook,
attrHandle = jQuery.expr.attrHandle;
jQuery.fn.extend( { attr: function( name, value ) { return access( this, jQuery.attr, name, value, arguments.length > 1 ); },
removeAttr: function( name ) { return this.each( function() { jQuery.removeAttr( this, name ); } ); } } );
jQuery.extend( { attr: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set attributes on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
// Fallback to prop when attributes are not supported if ( typeof elem.getAttribute === "undefined" ) { return jQuery.prop( elem, name, value ); }
// Attribute hooks are determined by the lowercase version // Grab necessary hook if one is defined if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) { hooks = jQuery.attrHooks[ name.toLowerCase() ] || ( jQuery.expr.match.bool.test( name ) ? boolHook : undefined ); }
if ( value !== undefined ) { if ( value === null ) { jQuery.removeAttr( elem, name ); return; }
if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
elem.setAttribute( name, value + "" ); return value; }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
ret = jQuery.find.attr( elem, name );
// Non-existent attributes return null, we normalize to undefined return ret == null ? undefined : ret; },
attrHooks: { type: { set: function( elem, value ) { if ( !support.radioValue && value === "radio" && nodeName( elem, "input" ) ) { var val = elem.value; elem.setAttribute( "type", value ); if ( val ) { elem.value = val; } return value; } } } },
removeAttr: function( elem, value ) { var name, i = 0,
// Attribute names can contain non-HTML whitespace characters // https://html.spec.whatwg.org/multipage/syntax.html#attributes-2 attrNames = value && value.match( rnothtmlwhite );
if ( attrNames && elem.nodeType === 1 ) { while ( ( name = attrNames[ i++ ] ) ) { elem.removeAttribute( name ); } } } } );
// Hooks for boolean attributes boolHook = { set: function( elem, value, name ) { if ( value === false ) {
// Remove boolean attributes when set to false jQuery.removeAttr( elem, name ); } else { elem.setAttribute( name, name ); } return name; } };
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) { var getter = attrHandle[ name ] || jQuery.find.attr;
attrHandle[ name ] = function( elem, name, isXML ) { var ret, handle, lowercaseName = name.toLowerCase();
if ( !isXML ) {
// Avoid an infinite loop by temporarily removing this function from the getter handle = attrHandle[ lowercaseName ]; attrHandle[ lowercaseName ] = ret; ret = getter( elem, name, isXML ) != null ? lowercaseName : null; attrHandle[ lowercaseName ] = handle; } return ret; }; } );
var rfocusable = /^(?:input|select|textarea|button)$/i,
rclickable = /^(?:a|area)$/i;
jQuery.fn.extend( { prop: function( name, value ) { return access( this, jQuery.prop, name, value, arguments.length > 1 ); },
removeProp: function( name ) { return this.each( function() { delete this[ jQuery.propFix[ name ] || name ]; } ); } } );
jQuery.extend( { prop: function( elem, name, value ) { var ret, hooks, nType = elem.nodeType;
// Don't get/set properties on text, comment and attribute nodes if ( nType === 3 || nType === 8 || nType === 2 ) { return; }
if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
// Fix name and attach hooks name = jQuery.propFix[ name ] || name; hooks = jQuery.propHooks[ name ]; }
if ( value !== undefined ) { if ( hooks && "set" in hooks && ( ret = hooks.set( elem, value, name ) ) !== undefined ) { return ret; }
return ( elem[ name ] = value ); }
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) { return ret; }
return elem[ name ]; },
propHooks: { tabIndex: { get: function( elem ) {
// Support: IE <=9 - 11 only // elem.tabIndex doesn't always return the // correct value when it hasn't been explicitly set // https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ // Use proper attribute retrieval(#12072) var tabindex = jQuery.find.attr( elem, "tabindex" );
if ( tabindex ) { return parseInt( tabindex, 10 ); }
if ( rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ) { return 0; }
return -1; } } },
propFix: { "for": "htmlFor", "class": "className" } } );
// Support: IE <=11 only // Accessing the selectedIndex property // forces the browser to respect setting selected // on the option // The getter ensures a default option is selected // when in an optgroup // eslint rule "no-unused-expressions" is disabled for this code // since it considers such accessions noop if ( !support.optSelected ) { jQuery.propHooks.selected = { get: function( elem ) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode; if ( parent && parent.parentNode ) { parent.parentNode.selectedIndex; } return null; }, set: function( elem ) {
/* eslint no-unused-expressions: "off" */
var parent = elem.parentNode; if ( parent ) { parent.selectedIndex;
if ( parent.parentNode ) { parent.parentNode.selectedIndex; } } } }; }
jQuery.each( [ "tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable" ], function() { jQuery.propFix[ this.toLowerCase() ] = this; } );
// Strip and collapse whitespace according to HTML spec
// https://html.spec.whatwg.org/multipage/infrastructure.html#strip-and-collapse-whitespace
function stripAndCollapse( value ) {
var tokens = value.match( rnothtmlwhite ) || [];
return tokens.join( " " );
}
function getClass( elem ) {
return elem.getAttribute && elem.getAttribute( "class" ) || "";
}
jQuery.fn.extend( { addClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0;
if ( jQuery.isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).addClass( value.call( this, j, getClass( this ) ) ); } ); }
if ( typeof value === "string" && value ) { classes = value.match( rnothtmlwhite ) || [];
while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem ); cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) { if ( cur.indexOf( " " + clazz + " " ) < 0 ) { cur += clazz + " "; } }
// Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } }
return this; },
removeClass: function( value ) { var classes, elem, cur, curValue, clazz, j, finalValue, i = 0;
if ( jQuery.isFunction( value ) ) { return this.each( function( j ) { jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) ); } ); }
if ( !arguments.length ) { return this.attr( "class", "" ); }
if ( typeof value === "string" && value ) { classes = value.match( rnothtmlwhite ) || [];
while ( ( elem = this[ i++ ] ) ) { curValue = getClass( elem );
// This expression is here for better compressibility (see addClass) cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
if ( cur ) { j = 0; while ( ( clazz = classes[ j++ ] ) ) {
// Remove *all* instances while ( cur.indexOf( " " + clazz + " " ) > -1 ) { cur = cur.replace( " " + clazz + " ", " " ); } }
// Only assign if different to avoid unneeded rendering. finalValue = stripAndCollapse( cur ); if ( curValue !== finalValue ) { elem.setAttribute( "class", finalValue ); } } } }
return this; },
toggleClass: function( value, stateVal ) { var type = typeof value;
if ( typeof stateVal === "boolean" && type === "string" ) { return stateVal ? this.addClass( value ) : this.removeClass( value ); }
if ( jQuery.isFunction( value ) ) { return this.each( function( i ) { jQuery( this ).toggleClass( value.call( this, i, getClass( this ), stateVal ), stateVal ); } ); }
return this.each( function() { var className, i, self, classNames;
if ( type === "string" ) {
// Toggle individual class names i = 0; self = jQuery( this ); classNames = value.match( rnothtmlwhite ) || [];
while ( ( className = classNames[ i++ ] ) ) {
// Check each className given, space separated list if ( self.hasClass( className ) ) { self.removeClass( className ); } else { self.addClass( className ); } }
// Toggle whole class name } else if ( value === undefined || type === "boolean" ) { className = getClass( this ); if ( className ) {
// Store className if set dataPriv.set( this, "__className__", className ); }
// If the element has a class name or if we're passed `false`, // then remove the whole classname (if there was one, the above saved it). // Otherwise bring back whatever was previously saved (if anything), // falling back to the empty string if nothing was stored. if ( this.setAttribute ) { this.setAttribute( "class", className || value === false ? "" : dataPriv.get( this, "__className__" ) || "" ); } } } ); },
hasClass: function( selector ) { var className, elem, i = 0;
className = " " + selector + " "; while ( ( elem = this[ i++ ] ) ) { if ( elem.nodeType === 1 && ( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) { return true; } }
return false; } } );
var rreturn = /\r/g;
jQuery.fn.extend( { val: function( value ) { var hooks, ret, isFunction, elem = this[ 0 ];
if ( !arguments.length ) { if ( elem ) { hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
if ( hooks && "get" in hooks && ( ret = hooks.get( elem, "value" ) ) !== undefined ) { return ret; }
ret = elem.value;
// Handle most common string cases if ( typeof ret === "string" ) { return ret.replace( rreturn, "" ); }
// Handle cases where value is null/undef or number return ret == null ? "" : ret; }
return; }
isFunction = jQuery.isFunction( value );
return this.each( function( i ) { var val;
if ( this.nodeType !== 1 ) { return; }
if ( isFunction ) { val = value.call( this, i, jQuery( this ).val() ); } else { val = value; }
// Treat null/undefined as ""; convert numbers to string if ( val == null ) { val = "";
} else if ( typeof val === "number" ) { val += "";
} else if ( Array.isArray( val ) ) { val = jQuery.map( val, function( value ) { return value == null ? "" : value + ""; } ); }
hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
// If set returns undefined, fall back to normal setting if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) { this.value = val; } } ); } } );
jQuery.extend( { valHooks: { option: { get: function( elem ) {
var val = jQuery.find.attr( elem, "value" ); return val != null ? val :
// Support: IE <=10 - 11 only // option.text throws exceptions (#14686, #14858) // Strip and collapse whitespace // https://html.spec.whatwg.org/#strip-and-collapse-whitespace stripAndCollapse( jQuery.text( elem ) ); } }, select: { get: function( elem ) { var value, option, i, options = elem.options, index = elem.selectedIndex, one = elem.type === "select-one", values = one ? null : [], max = one ? index + 1 : options.length;
if ( index < 0 ) { i = max;
} else { i = one ? index : 0; }
// Loop through all the selected options for ( ; i < max; i++ ) { option = options[ i ];
// Support: IE <=9 only // IE8-9 doesn't update selected after form reset (#2551) if ( ( option.selected || i === index ) &&
// Don't return options that are disabled or in a disabled optgroup !option.disabled && ( !option.parentNode.disabled || !nodeName( option.parentNode, "optgroup" ) ) ) {
// Get the specific value for the option value = jQuery( option ).val();
// We don't need an array for one selects if ( one ) { return value; }
// Multi-Selects return an array values.push( value ); } }
return values; },
set: function( elem, value ) { var optionSet, option, options = elem.options, values = jQuery.makeArray( value ), i = options.length;
while ( i-- ) { option = options[ i ];
/* eslint-disable no-cond-assign */
if ( option.selected = jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1 ) { optionSet = true; }
/* eslint-enable no-cond-assign */ }
// Force browsers to behave consistently when non-matching value is set if ( !optionSet ) { elem.selectedIndex = -1; } return values; } } } } );
// Radios and checkboxes getter/setter jQuery.each( [ "radio", "checkbox" ], function() { jQuery.valHooks[ this ] = { set: function( elem, value ) { if ( Array.isArray( value ) ) { return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 ); } } }; if ( !support.checkOn ) { jQuery.valHooks[ this ].get = function( elem ) { return elem.getAttribute( "value" ) === null ? "on" : elem.value; }; } } );
// Return jQuery for attributes-only inclusion
var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
jQuery.extend( jQuery.event, {
trigger: function( event, data, elem, onlyHandlers ) {
var i, cur, tmp, bubbleType, ontype, handle, special, eventPath = [ elem || document ], type = hasOwn.call( event, "type" ) ? event.type : event, namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
cur = tmp = elem = elem || document;
// Don't do events on text and comment nodes if ( elem.nodeType === 3 || elem.nodeType === 8 ) { return; }
// focus/blur morphs to focusin/out; ensure we're not firing them right now if ( rfocusMorph.test( type + jQuery.event.triggered ) ) { return; }
if ( type.indexOf( "." ) > -1 ) {
// Namespaced trigger; create a regexp to match event type in handle() namespaces = type.split( "." ); type = namespaces.shift(); namespaces.sort(); } ontype = type.indexOf( ":" ) < 0 && "on" + type;
// Caller can pass in a jQuery.Event object, Object, or just an event type string event = event[ jQuery.expando ] ? event : new jQuery.Event( type, typeof event === "object" && event );
// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) event.isTrigger = onlyHandlers ? 2 : 3; event.namespace = namespaces.join( "." ); event.rnamespace = event.namespace ? new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) : null;
// Clean up the event in case it is being reused event.result = undefined; if ( !event.target ) { event.target = elem; }
// Clone any incoming data and prepend the event, creating the handler arg list data = data == null ? [ event ] : jQuery.makeArray( data, [ event ] );
// Allow special events to draw outside the lines special = jQuery.event.special[ type ] || {}; if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) { return; }
// Determine event propagation path in advance, per W3C events spec (#9951) // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
bubbleType = special.delegateType || type; if ( !rfocusMorph.test( bubbleType + type ) ) { cur = cur.parentNode; } for ( ; cur; cur = cur.parentNode ) { eventPath.push( cur ); tmp = cur; }
// Only add window if we got to document (e.g., not plain obj or detached DOM) if ( tmp === ( elem.ownerDocument || document ) ) { eventPath.push( tmp.defaultView || tmp.parentWindow || window ); } }
// Fire handlers on the event path i = 0; while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
event.type = i > 1 ? bubbleType : special.bindType || type;
// jQuery handler handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] && dataPriv.get( cur, "handle" ); if ( handle ) { handle.apply( cur, data ); }
// Native handler handle = ontype && cur[ ontype ]; if ( handle && handle.apply && acceptData( cur ) ) { event.result = handle.apply( cur, data ); if ( event.result === false ) { event.preventDefault(); } } } event.type = type;
// If nobody prevented the default action, do it now if ( !onlyHandlers && !event.isDefaultPrevented() ) {
if ( ( !special._default || special._default.apply( eventPath.pop(), data ) === false ) && acceptData( elem ) ) {
// Call a native DOM method on the target with the same name as the event. // Don't do default actions on window, that's where global variables be (#6170) if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
// Don't re-trigger an onFOO event when we call its FOO() method tmp = elem[ ontype ];
if ( tmp ) { elem[ ontype ] = null; }
// Prevent re-triggering of the same event, since we already bubbled it above jQuery.event.triggered = type; elem[ type ](); jQuery.event.triggered = undefined;
if ( tmp ) { elem[ ontype ] = tmp; } } } }
return event.result; },
// Piggyback on a donor event to simulate a different one // Used only for `focus(in | out)` events simulate: function( type, elem, event ) { var e = jQuery.extend( new jQuery.Event(), event, { type: type, isSimulated: true } );
jQuery.event.trigger( e, null, elem ); }
} );
jQuery.fn.extend( {
trigger: function( type, data ) { return this.each( function() { jQuery.event.trigger( type, data, this ); } ); }, triggerHandler: function( type, data ) { var elem = this[ 0 ]; if ( elem ) { return jQuery.event.trigger( type, data, elem, true ); } } } );
jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
"change select submit keydown keypress keyup contextmenu" ).split( " " ),
function( i, name ) {
// Handle event binding jQuery.fn[ name ] = function( data, fn ) { return arguments.length > 0 ? this.on( name, null, data, fn ) : this.trigger( name ); }; } );
jQuery.fn.extend( { hover: function( fnOver, fnOut ) { return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver ); } } );
support.focusin = "onfocusin" in window;
// Support: Firefox <=44
// Firefox doesn't have focus(in | out) events
// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
//
// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
// focus(in | out) events fire after focus & blur events,
// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
if ( !support.focusin ) {
jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
// Attach a single capturing handler on the document while someone wants focusin/focusout var handler = function( event ) { jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) ); };
jQuery.event.special[ fix ] = { setup: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix );
if ( !attaches ) { doc.addEventListener( orig, handler, true ); } dataPriv.access( doc, fix, ( attaches || 0 ) + 1 ); }, teardown: function() { var doc = this.ownerDocument || this, attaches = dataPriv.access( doc, fix ) - 1;
if ( !attaches ) { doc.removeEventListener( orig, handler, true ); dataPriv.remove( doc, fix );
} else { dataPriv.access( doc, fix, attaches ); } } }; } ); } var location = window.location;
var nonce = jQuery.now();
var rquery = ( /\?/ );
// Cross-browser xml parsing jQuery.parseXML = function( data ) { var xml; if ( !data || typeof data !== "string" ) { return null; }
// Support: IE 9 - 11 only // IE throws on parseFromString with invalid input. try { xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" ); } catch ( e ) { xml = undefined; }
if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) { jQuery.error( "Invalid XML: " + data ); } return xml; };
var
rbracket = /\[\]$/,
rCRLF = /\r?\n/g,
rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
rsubmittable = /^(?:input|select|textarea|keygen)/i;
function buildParams( prefix, obj, traditional, add ) { var name;
if ( Array.isArray( obj ) ) {
// Serialize array item. jQuery.each( obj, function( i, v ) { if ( traditional || rbracket.test( prefix ) ) {
// Treat each array item as a scalar. add( prefix, v );
} else {
// Item is non-scalar (array or object), encode its numeric index. buildParams( prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]", v, traditional, add ); } } );
} else if ( !traditional && jQuery.type( obj ) === "object" ) {
// Serialize object item. for ( name in obj ) { buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add ); }
} else {
// Serialize scalar item. add( prefix, obj ); } }
// Serialize an array of form elements or a set of // key/values into a query string jQuery.param = function( a, traditional ) { var prefix, s = [], add = function( key, valueOrFunction ) {
// If value is a function, invoke it and use its return value var value = jQuery.isFunction( valueOrFunction ) ? valueOrFunction() : valueOrFunction;
s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value == null ? "" : value ); };
// If an array was passed in, assume that it is an array of form elements. if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
// Serialize the form elements jQuery.each( a, function() { add( this.name, this.value ); } );
} else {
// If traditional, encode the "old" way (the way 1.3.2 or older // did it), otherwise encode params recursively. for ( prefix in a ) { buildParams( prefix, a[ prefix ], traditional, add ); } }
// Return the resulting serialization return s.join( "&" ); };
jQuery.fn.extend( { serialize: function() { return jQuery.param( this.serializeArray() ); }, serializeArray: function() { return this.map( function() {
// Can add propHook for "elements" to filter or add form elements var elements = jQuery.prop( this, "elements" ); return elements ? jQuery.makeArray( elements ) : this; } ) .filter( function() { var type = this.type;
// Use .is( ":disabled" ) so that fieldset[disabled] works return this.name && !jQuery( this ).is( ":disabled" ) && rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) && ( this.checked || !rcheckableType.test( type ) ); } ) .map( function( i, elem ) { var val = jQuery( this ).val();
if ( val == null ) { return null; }
if ( Array.isArray( val ) ) { return jQuery.map( val, function( val ) { return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ); }
return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) }; } ).get(); } } );
var
r20 = /%20/g,
rhash = /#.*$/,
rantiCache = /([?&])_=[^&]*/,
rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
// #7653, #8125, #8152: local protocol detection rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/, rnoContent = /^(?:GET|HEAD)$/, rprotocol = /^\/\//,
/* Prefilters * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example) * 2) These are called: * - BEFORE asking for a transport * - AFTER param serialization (s.data is a string if s.processData is true) * 3) key is the dataType * 4) the catchall symbol "*" can be used * 5) execution will start with transport dataType and THEN continue down to "*" if needed */ prefilters = {},
/* Transports bindings * 1) key is the dataType * 2) the catchall symbol "*" can be used * 3) selection will start with transport dataType and THEN go to "*" if needed */ transports = {},
// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression allTypes = "*/".concat( "*" ),
// Anchor tag for parsing the document origin originAnchor = document.createElement( "a" ); originAnchor.href = location.href;
// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport function addToPrefiltersOrTransports( structure ) {
// dataTypeExpression is optional and defaults to "*" return function( dataTypeExpression, func ) {
if ( typeof dataTypeExpression !== "string" ) { func = dataTypeExpression; dataTypeExpression = "*"; }
var dataType, i = 0, dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
if ( jQuery.isFunction( func ) ) {
// For each dataType in the dataTypeExpression while ( ( dataType = dataTypes[ i++ ] ) ) {
// Prepend if requested if ( dataType[ 0 ] === "+" ) { dataType = dataType.slice( 1 ) || "*"; ( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
// Otherwise append } else { ( structure[ dataType ] = structure[ dataType ] || [] ).push( func ); } } } }; }
// Base inspection function for prefilters and transports function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
var inspected = {}, seekingTransport = ( structure === transports );
function inspect( dataType ) { var selected; inspected[ dataType ] = true; jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) { var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR ); if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
options.dataTypes.unshift( dataTypeOrTransport ); inspect( dataTypeOrTransport ); return false; } else if ( seekingTransport ) { return !( selected = dataTypeOrTransport ); } } ); return selected; }
return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" ); }
// A special extend for ajax options // that takes "flat" options (not to be deep extended) // Fixes #9887 function ajaxExtend( target, src ) { var key, deep, flatOptions = jQuery.ajaxSettings.flatOptions || {};
for ( key in src ) { if ( src[ key ] !== undefined ) { ( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ]; } } if ( deep ) { jQuery.extend( true, target, deep ); }
return target; }
/* Handles responses to an ajax request:
* - finds the right dataType (mediates between content-type and expected dataType) * - returns the corresponding response */
function ajaxHandleResponses( s, jqXHR, responses ) {
var ct, type, finalDataType, firstDataType, contents = s.contents, dataTypes = s.dataTypes;
// Remove auto dataType and get content-type in the process while ( dataTypes[ 0 ] === "*" ) { dataTypes.shift(); if ( ct === undefined ) { ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" ); } }
// Check if we're dealing with a known content-type if ( ct ) { for ( type in contents ) { if ( contents[ type ] && contents[ type ].test( ct ) ) { dataTypes.unshift( type ); break; } } }
// Check to see if we have a response for the expected dataType if ( dataTypes[ 0 ] in responses ) { finalDataType = dataTypes[ 0 ]; } else {
// Try convertible dataTypes for ( type in responses ) { if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) { finalDataType = type; break; } if ( !firstDataType ) { firstDataType = type; } }
// Or just use first one finalDataType = finalDataType || firstDataType; }
// If we found a dataType // We add the dataType to the list if needed // and return the corresponding response if ( finalDataType ) { if ( finalDataType !== dataTypes[ 0 ] ) { dataTypes.unshift( finalDataType ); } return responses[ finalDataType ]; } }
/* Chain conversions given the request and the original response
* Also sets the responseXXX fields on the jqXHR instance */
function ajaxConvert( s, response, jqXHR, isSuccess ) { var conv2, current, conv, tmp, prev, converters = {},
// Work with a copy of dataTypes in case we need to modify it for conversion dataTypes = s.dataTypes.slice();
// Create converters map with lowercased keys if ( dataTypes[ 1 ] ) { for ( conv in s.converters ) { converters[ conv.toLowerCase() ] = s.converters[ conv ]; } }
current = dataTypes.shift();
// Convert to each sequential dataType while ( current ) {
if ( s.responseFields[ current ] ) { jqXHR[ s.responseFields[ current ] ] = response; }
// Apply the dataFilter if provided if ( !prev && isSuccess && s.dataFilter ) { response = s.dataFilter( response, s.dataType ); }
prev = current; current = dataTypes.shift();
if ( current ) {
// There's only work to do if current dataType is non-auto if ( current === "*" ) {
current = prev;
// Convert response if prev dataType is non-auto and differs from current } else if ( prev !== "*" && prev !== current ) {
// Seek a direct converter conv = converters[ prev + " " + current ] || converters[ "* " + current ];
// If none found, seek a pair if ( !conv ) { for ( conv2 in converters ) {
// If conv2 outputs current tmp = conv2.split( " " ); if ( tmp[ 1 ] === current ) {
// If prev can be converted to accepted input conv = converters[ prev + " " + tmp[ 0 ] ] || converters[ "* " + tmp[ 0 ] ]; if ( conv ) {
// Condense equivalence converters if ( conv === true ) { conv = converters[ conv2 ];
// Otherwise, insert the intermediate dataType } else if ( converters[ conv2 ] !== true ) { current = tmp[ 0 ]; dataTypes.unshift( tmp[ 1 ] ); } break; } } } }
// Apply converter (if not an equivalence) if ( conv !== true ) {
// Unless errors are allowed to bubble, catch and return them if ( conv && s.throws ) { response = conv( response ); } else { try { response = conv( response ); } catch ( e ) { return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current }; } } } } } }
return { state: "success", data: response }; }
jQuery.extend( {
// Counter for holding the number of active queries active: 0,
// Last-Modified header cache for next request lastModified: {}, etag: {},
ajaxSettings: { url: location.href, type: "GET", isLocal: rlocalProtocol.test( location.protocol ), global: true, processData: true, async: true, contentType: "application/x-www-form-urlencoded; charset=UTF-8",
/* timeout: 0, data: null, dataType: null, username: null, password: null, cache: null, throws: false, traditional: false, headers: {}, */
accepts: { "*": allTypes, text: "text/plain", html: "text/html", xml: "application/xml, text/xml", json: "application/json, text/javascript" },
contents: { xml: /\bxml\b/, html: /\bhtml/, json: /\bjson\b/ },
responseFields: { xml: "responseXML", text: "responseText", json: "responseJSON" },
// Data converters // Keys separate source (or catchall "*") and destination types with a single space converters: {
// Convert anything to text "* text": String,
// Text to html (true = no transformation) "text html": true,
// Evaluate text as a json expression "text json": JSON.parse,
// Parse text as xml "text xml": jQuery.parseXML },
// For options that shouldn't be deep extended: // you can add your own custom options here if // and when you create one that shouldn't be // deep extended (see ajaxExtend) flatOptions: { url: true, context: true } },
// Creates a full fledged settings object into target // with both ajaxSettings and settings fields. // If target is omitted, writes into ajaxSettings. ajaxSetup: function( target, settings ) { return settings ?
// Building a settings object ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
// Extending ajaxSettings ajaxExtend( jQuery.ajaxSettings, target ); },
ajaxPrefilter: addToPrefiltersOrTransports( prefilters ), ajaxTransport: addToPrefiltersOrTransports( transports ),
// Main method ajax: function( url, options ) {
// If url is an object, simulate pre-1.5 signature if ( typeof url === "object" ) { options = url; url = undefined; }
// Force options to be an object options = options || {};
var transport,
// URL without anti-cache param cacheURL,
// Response headers responseHeadersString, responseHeaders,
// timeout handle timeoutTimer,
// Url cleanup var urlAnchor,
// Request state (becomes false upon send and true upon completion) completed,
// To know if global events are to be dispatched fireGlobals,
// Loop variable i,
// uncached part of the url uncached,
// Create the final options object s = jQuery.ajaxSetup( {}, options ),
// Callbacks context callbackContext = s.context || s,
// Context for global events is callbackContext if it is a DOM node or jQuery collection globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ? jQuery( callbackContext ) : jQuery.event,
// Deferreds deferred = jQuery.Deferred(), completeDeferred = jQuery.Callbacks( "once memory" ),
// Status-dependent callbacks statusCode = s.statusCode || {},
// Headers (they are sent all at once) requestHeaders = {}, requestHeadersNames = {},
// Default abort message strAbort = "canceled",
// Fake xhr jqXHR = { readyState: 0,
// Builds headers hashtable if needed getResponseHeader: function( key ) { var match; if ( completed ) { if ( !responseHeaders ) { responseHeaders = {}; while ( ( match = rheaders.exec( responseHeadersString ) ) ) { responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ]; } } match = responseHeaders[ key.toLowerCase() ]; } return match == null ? null : match; },
// Raw string getAllResponseHeaders: function() { return completed ? responseHeadersString : null; },
// Caches the header setRequestHeader: function( name, value ) { if ( completed == null ) { name = requestHeadersNames[ name.toLowerCase() ] = requestHeadersNames[ name.toLowerCase() ] || name; requestHeaders[ name ] = value; } return this; },
// Overrides response content-type header overrideMimeType: function( type ) { if ( completed == null ) { s.mimeType = type; } return this; },
// Status-dependent callbacks statusCode: function( map ) { var code; if ( map ) { if ( completed ) {
// Execute the appropriate callbacks jqXHR.always( map[ jqXHR.status ] ); } else {
// Lazy-add the new callbacks in a way that preserves old ones for ( code in map ) { statusCode[ code ] = [ statusCode[ code ], map[ code ] ]; } } } return this; },
// Cancel the request abort: function( statusText ) { var finalText = statusText || strAbort; if ( transport ) { transport.abort( finalText ); } done( 0, finalText ); return this; } };
// Attach deferreds deferred.promise( jqXHR );
// Add protocol if not provided (prefilters might expect it) // Handle falsy url in the settings object (#10093: consistency with old signature) // We also use the url parameter if available s.url = ( ( url || s.url || location.href ) + "" ) .replace( rprotocol, location.protocol + "//" );
// Alias method option to type as per ticket #12004 s.type = options.method || options.type || s.method || s.type;
// Extract dataTypes list s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
// A cross-domain request is in order when the origin doesn't match the current origin. if ( s.crossDomain == null ) { urlAnchor = document.createElement( "a" );
// Support: IE <=8 - 11, Edge 12 - 13 // IE throws exception on accessing the href property if url is malformed, // e.g. http://example.com:80x/ try { urlAnchor.href = s.url;
// Support: IE <=8 - 11 only // Anchor's host property isn't correctly set when s.url is relative urlAnchor.href = urlAnchor.href; s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !== urlAnchor.protocol + "//" + urlAnchor.host; } catch ( e ) {
// If there is an error parsing the URL, assume it is crossDomain, // it can be rejected by the transport if it is invalid s.crossDomain = true; } }
// Convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) { s.data = jQuery.param( s.data, s.traditional ); }
// Apply prefilters inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
// If request was aborted inside a prefilter, stop there if ( completed ) { return jqXHR; }
// We can fire global events as of now if asked to // Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118) fireGlobals = jQuery.event && s.global;
// Watch for a new set of requests if ( fireGlobals && jQuery.active++ === 0 ) { jQuery.event.trigger( "ajaxStart" ); }
// Uppercase the type s.type = s.type.toUpperCase();
// Determine if request has content s.hasContent = !rnoContent.test( s.type );
// Save the URL in case we're toying with the If-Modified-Since // and/or If-None-Match header later on // Remove hash to simplify url manipulation cacheURL = s.url.replace( rhash, "" );
// More options handling for requests with no content if ( !s.hasContent ) {
// Remember the hash so we can put it back uncached = s.url.slice( cacheURL.length );
// If data is available, append data to url if ( s.data ) { cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
// #9682: remove data so that it's not used in an eventual retry delete s.data; }
// Add or update anti-cache param if needed if ( s.cache === false ) { cacheURL = cacheURL.replace( rantiCache, "$1" ); uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached; }
// Put hash and anti-cache on the URL that will be requested (gh-1732) s.url = cacheURL + uncached;
// Change '%20' to '+' if this is encoded form body content (gh-2658) } else if ( s.data && s.processData && ( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) { s.data = s.data.replace( r20, "+" ); }
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { if ( jQuery.lastModified[ cacheURL ] ) { jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] ); } if ( jQuery.etag[ cacheURL ] ) { jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] ); } }
// Set the correct header, if data is being sent if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) { jqXHR.setRequestHeader( "Content-Type", s.contentType ); }
// Set the Accepts header for the server, depending on the dataType jqXHR.setRequestHeader( "Accept", s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ? s.accepts[ s.dataTypes[ 0 ] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) : s.accepts[ "*" ] );
// Check for headers option for ( i in s.headers ) { jqXHR.setRequestHeader( i, s.headers[ i ] ); }
// Allow custom headers/mimetypes and early abort if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
// Abort if not done already and return return jqXHR.abort(); }
// Aborting is no longer a cancellation strAbort = "abort";
// Install callbacks on deferreds completeDeferred.add( s.complete ); jqXHR.done( s.success ); jqXHR.fail( s.error );
// Get transport transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
// If no transport, we auto-abort if ( !transport ) { done( -1, "No Transport" ); } else { jqXHR.readyState = 1;
// Send global event if ( fireGlobals ) { globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] ); }
// If request was aborted inside ajaxSend, stop there if ( completed ) { return jqXHR; }
// Timeout if ( s.async && s.timeout > 0 ) { timeoutTimer = window.setTimeout( function() { jqXHR.abort( "timeout" ); }, s.timeout ); }
try { completed = false; transport.send( requestHeaders, done ); } catch ( e ) {
// Rethrow post-completion exceptions if ( completed ) { throw e; }
// Propagate others as results done( -1, e ); } }
// Callback for when everything is done function done( status, nativeStatusText, responses, headers ) { var isSuccess, success, error, response, modified, statusText = nativeStatusText;
// Ignore repeat invocations if ( completed ) { return; }
completed = true;
// Clear timeout if it exists if ( timeoutTimer ) { window.clearTimeout( timeoutTimer ); }
// Dereference transport for early garbage collection // (no matter how long the jqXHR object will be used) transport = undefined;
// Cache response headers responseHeadersString = headers || "";
// Set readyState jqXHR.readyState = status > 0 ? 4 : 0;
// Determine if successful isSuccess = status >= 200 && status < 300 || status === 304;
// Get response data if ( responses ) { response = ajaxHandleResponses( s, jqXHR, responses ); }
// Convert no matter what (that way responseXXX fields are always set) response = ajaxConvert( s, response, jqXHR, isSuccess );
// If successful, handle type chaining if ( isSuccess ) {
// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode. if ( s.ifModified ) { modified = jqXHR.getResponseHeader( "Last-Modified" ); if ( modified ) { jQuery.lastModified[ cacheURL ] = modified; } modified = jqXHR.getResponseHeader( "etag" ); if ( modified ) { jQuery.etag[ cacheURL ] = modified; } }
// if no content if ( status === 204 || s.type === "HEAD" ) { statusText = "nocontent";
// if not modified } else if ( status === 304 ) { statusText = "notmodified";
// If we have data, let's convert it } else { statusText = response.state; success = response.data; error = response.error; isSuccess = !error; } } else {
// Extract error from statusText and normalize for non-aborts error = statusText; if ( status || !statusText ) { statusText = "error"; if ( status < 0 ) { status = 0; } } }
// Set data for the fake xhr object jqXHR.status = status; jqXHR.statusText = ( nativeStatusText || statusText ) + "";
// Success/Error if ( isSuccess ) { deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] ); } else { deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] ); }
// Status-dependent callbacks jqXHR.statusCode( statusCode ); statusCode = undefined;
if ( fireGlobals ) { globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError", [ jqXHR, s, isSuccess ? success : error ] ); }
// Complete completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
if ( fireGlobals ) { globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
// Handle the global AJAX counter if ( !( --jQuery.active ) ) { jQuery.event.trigger( "ajaxStop" ); } } }
return jqXHR; },
getJSON: function( url, data, callback ) { return jQuery.get( url, data, callback, "json" ); },
getScript: function( url, callback ) { return jQuery.get( url, undefined, callback, "script" ); } } );
jQuery.each( [ "get", "post" ], function( i, method ) { jQuery[ method ] = function( url, data, callback, type ) {
// Shift arguments if data argument was omitted if ( jQuery.isFunction( data ) ) { type = type || callback; callback = data; data = undefined; }
// The url can be an options object (which then must have .url) return jQuery.ajax( jQuery.extend( { url: url, type: method, dataType: type, data: data, success: callback }, jQuery.isPlainObject( url ) && url ) ); }; } );
jQuery._evalUrl = function( url ) {
return jQuery.ajax( {
url: url,
// Make this explicit, since user can override this through ajaxSetup (#11264) type: "GET", dataType: "script", cache: true, async: false, global: false, "throws": true } ); };
jQuery.fn.extend( {
wrapAll: function( html ) {
var wrap;
if ( this[ 0 ] ) { if ( jQuery.isFunction( html ) ) { html = html.call( this[ 0 ] ); }
// The elements to wrap the target around wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
if ( this[ 0 ].parentNode ) { wrap.insertBefore( this[ 0 ] ); }
wrap.map( function() { var elem = this;
while ( elem.firstElementChild ) { elem = elem.firstElementChild; }
return elem; } ).append( this ); }
return this; },
wrapInner: function( html ) { if ( jQuery.isFunction( html ) ) { return this.each( function( i ) { jQuery( this ).wrapInner( html.call( this, i ) ); } ); }
return this.each( function() { var self = jQuery( this ), contents = self.contents();
if ( contents.length ) { contents.wrapAll( html );
} else { self.append( html ); } } ); },
wrap: function( html ) { var isFunction = jQuery.isFunction( html );
return this.each( function( i ) { jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html ); } ); },
unwrap: function( selector ) { this.parent( selector ).not( "body" ).each( function() { jQuery( this ).replaceWith( this.childNodes ); } ); return this; } } );
jQuery.expr.pseudos.hidden = function( elem ) {
return !jQuery.expr.pseudos.visible( elem );
};
jQuery.expr.pseudos.visible = function( elem ) {
return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
};
jQuery.ajaxSettings.xhr = function() {
try {
return new window.XMLHttpRequest();
} catch ( e ) {}
};
var xhrSuccessStatus = {
// File protocol always yields status code 0, assume 200 0: 200,
// Support: IE <=9 only // #1450: sometimes IE returns 1223 when it should be 204 1223: 204 }, xhrSupported = jQuery.ajaxSettings.xhr();
support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); support.ajax = xhrSupported = !!xhrSupported;
jQuery.ajaxTransport( function( options ) { var callback, errorCallback;
// Cross domain only allowed if supported through XMLHttpRequest if ( support.cors || xhrSupported && !options.crossDomain ) { return { send: function( headers, complete ) { var i, xhr = options.xhr();
xhr.open( options.type, options.url, options.async, options.username, options.password );
// Apply custom fields if provided if ( options.xhrFields ) { for ( i in options.xhrFields ) { xhr[ i ] = options.xhrFields[ i ]; } }
// Override mime type if needed if ( options.mimeType && xhr.overrideMimeType ) { xhr.overrideMimeType( options.mimeType ); }
// X-Requested-With header // For cross-domain requests, seeing as conditions for a preflight are // akin to a jigsaw puzzle, we simply never set it to be sure. // (it can always be set on a per-request basis or even using ajaxSetup) // For same-domain requests, won't change header if already provided. if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) { headers[ "X-Requested-With" ] = "XMLHttpRequest"; }
// Set headers for ( i in headers ) { xhr.setRequestHeader( i, headers[ i ] ); }
// Callback callback = function( type ) { return function() { if ( callback ) { callback = errorCallback = xhr.onload = xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
if ( type === "abort" ) { xhr.abort(); } else if ( type === "error" ) {
// Support: IE <=9 only // On a manual native abort, IE9 throws // errors on any property access that is not readyState if ( typeof xhr.status !== "number" ) { complete( 0, "error" ); } else { complete(
// File: protocol always yields status 0; see #8605, #14207 xhr.status, xhr.statusText ); } } else { complete( xhrSuccessStatus[ xhr.status ] || xhr.status, xhr.statusText,
// Support: IE <=9 only // IE9 has no XHR2 but throws on binary (trac-11426) // For XHR2 non-text, let the caller handle it (gh-2498) ( xhr.responseType || "text" ) !== "text" || typeof xhr.responseText !== "string" ? { binary: xhr.response } : { text: xhr.responseText }, xhr.getAllResponseHeaders() ); } } }; };
// Listen to events xhr.onload = callback(); errorCallback = xhr.onerror = callback( "error" );
// Support: IE 9 only // Use onreadystatechange to replace onabort // to handle uncaught aborts if ( xhr.onabort !== undefined ) { xhr.onabort = errorCallback; } else { xhr.onreadystatechange = function() {
// Check readyState before timeout as it changes if ( xhr.readyState === 4 ) {
// Allow onerror to be called first, // but that will not handle a native abort // Also, save errorCallback to a variable // as xhr.onerror cannot be accessed window.setTimeout( function() { if ( callback ) { errorCallback(); } } ); } }; }
// Create the abort callback callback = callback( "abort" );
try {
// Do send the request (this may raise an exception) xhr.send( options.hasContent && options.data || null ); } catch ( e ) {
// #14683: Only rethrow if this hasn't been notified as an error yet if ( callback ) { throw e; } } },
abort: function() { if ( callback ) { callback(); } } }; } } );
// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
jQuery.ajaxPrefilter( function( s ) {
if ( s.crossDomain ) {
s.contents.script = false;
}
} );
// Install script dataType jQuery.ajaxSetup( { accepts: { script: "text/javascript, application/javascript, " + "application/ecmascript, application/x-ecmascript" }, contents: { script: /\b(?:java|ecma)script\b/ }, converters: { "text script": function( text ) { jQuery.globalEval( text ); return text; } } } );
// Handle cache's special case and crossDomain jQuery.ajaxPrefilter( "script", function( s ) { if ( s.cache === undefined ) { s.cache = false; } if ( s.crossDomain ) { s.type = "GET"; } } );
// Bind script tag hack transport jQuery.ajaxTransport( "script", function( s ) {
// This transport only deals with cross domain requests if ( s.crossDomain ) { var script, callback; return { send: function( _, complete ) { script = jQuery( "<script>" ).prop( { charset: s.scriptCharset, src: s.url } ).on( "load error", callback = function( evt ) { script.remove(); callback = null; if ( evt ) { complete( evt.type === "error" ? 404 : 200, evt.type ); } } );
// Use native DOM manipulation to avoid our domManip AJAX trickery document.head.appendChild( script[ 0 ] ); }, abort: function() { if ( callback ) { callback(); } } }; } } );
var oldCallbacks = [],
rjsonp = /(=)\?(?=&|$)|\?\?/;
// Default jsonp settings jQuery.ajaxSetup( { jsonp: "callback", jsonpCallback: function() { var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) ); this[ callback ] = true; return callback; } } );
// Detect, normalize options and install callbacks for jsonp requests jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
var callbackName, overwritten, responseContainer, jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ? "url" : typeof s.data === "string" && ( s.contentType || "" ) .indexOf( "application/x-www-form-urlencoded" ) === 0 && rjsonp.test( s.data ) && "data" );
// Handle iff the expected data type is "jsonp" or we have a parameter to set if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
// Get callback name, remembering preexisting value associated with it callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback;
// Insert callback into url or form data if ( jsonProp ) { s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName ); } else if ( s.jsonp !== false ) { s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName; }
// Use data converter to retrieve json after script execution s.converters[ "script json" ] = function() { if ( !responseContainer ) { jQuery.error( callbackName + " was not called" ); } return responseContainer[ 0 ]; };
// Force json dataType s.dataTypes[ 0 ] = "json";
// Install callback overwritten = window[ callbackName ]; window[ callbackName ] = function() { responseContainer = arguments; };
// Clean-up function (fires after converters) jqXHR.always( function() {
// If previous value didn't exist - remove it if ( overwritten === undefined ) { jQuery( window ).removeProp( callbackName );
// Otherwise restore preexisting value } else { window[ callbackName ] = overwritten; }
// Save back as free if ( s[ callbackName ] ) {
// Make sure that re-using the options doesn't screw things around s.jsonpCallback = originalSettings.jsonpCallback;
// Save the callback name for future use oldCallbacks.push( callbackName ); }
// Call if it was a function and we have a response if ( responseContainer && jQuery.isFunction( overwritten ) ) { overwritten( responseContainer[ 0 ] ); }
responseContainer = overwritten = undefined; } );
// Delegate to script return "script"; } } );
// Support: Safari 8 only
// In Safari 8 documents created via document.implementation.createHTMLDocument
// collapse sibling forms: the second one becomes a child of the first one.
// Because of that, this security measure has to be disabled in Safari 8.
// https://bugs.webkit.org/show_bug.cgi?id=137337
support.createHTMLDocument = ( function() {
var body = document.implementation.createHTMLDocument( "" ).body;
body.innerHTML = "<form></form><form></form>";
return body.childNodes.length === 2;
} )();
// Argument "data" should be string of html
// context (optional): If specified, the fragment will be created in this context,
// defaults to document
// keepScripts (optional): If true, will include scripts passed in the html string
jQuery.parseHTML = function( data, context, keepScripts ) {
if ( typeof data !== "string" ) {
return [];
}
if ( typeof context === "boolean" ) {
keepScripts = context;
context = false;
}
var base, parsed, scripts;
if ( !context ) {
// Stop scripts or inline event handlers from being executed immediately // by using document.implementation if ( support.createHTMLDocument ) { context = document.implementation.createHTMLDocument( "" );
// Set the base href for the created document // so any parsed elements with URLs // are based on the document's URL (gh-2965) base = context.createElement( "base" ); base.href = document.location.href; context.head.appendChild( base ); } else { context = document; } }
parsed = rsingleTag.exec( data ); scripts = !keepScripts && [];
// Single tag if ( parsed ) { return [ context.createElement( parsed[ 1 ] ) ]; }
parsed = buildFragment( [ data ], context, scripts );
if ( scripts && scripts.length ) { jQuery( scripts ).remove(); }
return jQuery.merge( [], parsed.childNodes ); };
/**
* Load a url into a page */
jQuery.fn.load = function( url, params, callback ) { var selector, type, response, self = this, off = url.indexOf( " " );
if ( off > -1 ) { selector = stripAndCollapse( url.slice( off ) ); url = url.slice( 0, off ); }
// If it's a function if ( jQuery.isFunction( params ) ) {
// We assume that it's the callback callback = params; params = undefined;
// Otherwise, build a param string } else if ( params && typeof params === "object" ) { type = "POST"; }
// If we have elements to modify, make the request if ( self.length > 0 ) { jQuery.ajax( { url: url,
// If "type" variable is undefined, then "GET" method will be used. // Make value of this field explicit since // user can override it through ajaxSetup method type: type || "GET", dataType: "html", data: params } ).done( function( responseText ) {
// Save response for use in complete callback response = arguments;
self.html( selector ?
// If a selector was specified, locate the right elements in a dummy div // Exclude scripts to avoid IE 'Permission Denied' errors
jQuery( "// Otherwise use the full result responseText );
// If the request succeeds, this function gets "data", "status", "jqXHR" // but they are ignored because response was set above. // If it fails, this function gets "jqXHR", "status", "error" } ).always( callback && function( jqXHR, status ) { self.each( function() { callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] ); } ); } ); }
return this; };
// Attach a bunch of functions for handling common AJAX events
jQuery.each( [
"ajaxStart",
"ajaxStop",
"ajaxComplete",
"ajaxError",
"ajaxSuccess",
"ajaxSend"
], function( i, type ) {
jQuery.fn[ type ] = function( fn ) {
return this.on( type, fn );
};
} );
jQuery.expr.pseudos.animated = function( elem ) {
return jQuery.grep( jQuery.timers, function( fn ) {
return elem === fn.elem;
} ).length;
};
jQuery.offset = {
setOffset: function( elem, options, i ) {
var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
position = jQuery.css( elem, "position" ),
curElem = jQuery( elem ),
props = {};
// Set position first, in-case top/left are set even on static elem if ( position === "static" ) { elem.style.position = "relative"; }
curOffset = curElem.offset(); curCSSTop = jQuery.css( elem, "top" ); curCSSLeft = jQuery.css( elem, "left" ); calculatePosition = ( position === "absolute" || position === "fixed" ) && ( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
// Need to be able to calculate position if either // top or left is auto and position is either absolute or fixed if ( calculatePosition ) { curPosition = curElem.position(); curTop = curPosition.top; curLeft = curPosition.left;
} else { curTop = parseFloat( curCSSTop ) || 0; curLeft = parseFloat( curCSSLeft ) || 0; }
if ( jQuery.isFunction( options ) ) {
// Use jQuery.extend here to allow modification of coordinates argument (gh-1848) options = options.call( elem, i, jQuery.extend( {}, curOffset ) ); }
if ( options.top != null ) { props.top = ( options.top - curOffset.top ) + curTop; } if ( options.left != null ) { props.left = ( options.left - curOffset.left ) + curLeft; }
if ( "using" in options ) { options.using.call( elem, props );
} else { curElem.css( props ); } } };
jQuery.fn.extend( { offset: function( options ) {
// Preserve chaining for setter if ( arguments.length ) { return options === undefined ? this : this.each( function( i ) { jQuery.offset.setOffset( this, options, i ); } ); }
var doc, docElem, rect, win, elem = this[ 0 ];
if ( !elem ) { return; }
// Return zeros for disconnected and hidden (display: none) elements (gh-2310) // Support: IE <=11 only // Running getBoundingClientRect on a // disconnected node in IE throws an error if ( !elem.getClientRects().length ) { return { top: 0, left: 0 }; }
rect = elem.getBoundingClientRect();
doc = elem.ownerDocument; docElem = doc.documentElement; win = doc.defaultView;
return { top: rect.top + win.pageYOffset - docElem.clientTop, left: rect.left + win.pageXOffset - docElem.clientLeft }; },
position: function() { if ( !this[ 0 ] ) { return; }
var offsetParent, offset, elem = this[ 0 ], parentOffset = { top: 0, left: 0 };
// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, // because it is its only offset parent if ( jQuery.css( elem, "position" ) === "fixed" ) {
// Assume getBoundingClientRect is there when computed position is fixed offset = elem.getBoundingClientRect();
} else {
// Get *real* offsetParent offsetParent = this.offsetParent();
// Get correct offsets offset = this.offset(); if ( !nodeName( offsetParent[ 0 ], "html" ) ) { parentOffset = offsetParent.offset(); }
// Add offsetParent borders parentOffset = { top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ), left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true ) }; }
// Subtract parent offsets and element margins return { top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ), left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true ) }; },
// This method will return documentElement in the following cases: // 1) For the element inside the iframe without offsetParent, this method will return // documentElement of the parent window // 2) For the hidden or detached element // 3) For body or html element, i.e. in case of the html node - it will return itself // // but those exceptions were never presented as a real life use-cases // and might be considered as more preferable results. // // This logic, however, is not guaranteed and can change at any point in the future offsetParent: function() { return this.map( function() { var offsetParent = this.offsetParent;
while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) { offsetParent = offsetParent.offsetParent; }
return offsetParent || documentElement; } ); } } );
// Create scrollLeft and scrollTop methods jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) { var top = "pageYOffset" === prop;
jQuery.fn[ method ] = function( val ) { return access( this, function( elem, method, val ) {
// Coalesce documents and windows var win; if ( jQuery.isWindow( elem ) ) { win = elem; } else if ( elem.nodeType === 9 ) { win = elem.defaultView; }
if ( val === undefined ) { return win ? win[ prop ] : elem[ method ]; }
if ( win ) { win.scrollTo( !top ? val : win.pageXOffset, top ? val : win.pageYOffset );
} else { elem[ method ] = val; } }, method, val, arguments.length ); }; } );
// Support: Safari <=7 - 9.1, Chrome <=37 - 49 // Add the top/left cssHooks using jQuery.fn.position // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084 // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347 // getComputedStyle returns percent when specified for top/left/bottom/right; // rather than make the css module depend on the offset module, just check for it here jQuery.each( [ "top", "left" ], function( i, prop ) { jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition, function( elem, computed ) { if ( computed ) { computed = curCSS( elem, prop );
// If curCSS returns percentage, fallback to offset return rnumnonpx.test( computed ) ? jQuery( elem ).position()[ prop ] + "px" : computed; } } ); } );
// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
function( defaultExtra, funcName ) {
// Margin is only for outerHeight, outerWidth jQuery.fn[ funcName ] = function( margin, value ) { var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ), extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
return access( this, function( elem, type, value ) { var doc;
if ( jQuery.isWindow( elem ) ) {
// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729) return funcName.indexOf( "outer" ) === 0 ? elem[ "inner" + name ] : elem.document.documentElement[ "client" + name ]; }
// Get document width or height if ( elem.nodeType === 9 ) { doc = elem.documentElement;
// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], // whichever is greatest return Math.max( elem.body[ "scroll" + name ], doc[ "scroll" + name ], elem.body[ "offset" + name ], doc[ "offset" + name ], doc[ "client" + name ] ); }
return value === undefined ?
// Get width or height on the element, requesting but not forcing parseFloat jQuery.css( elem, type, extra ) :
// Set width or height on the element jQuery.style( elem, type, value, extra ); }, type, chainable ? margin : undefined, chainable ); }; } ); } );
jQuery.fn.extend( {
bind: function( types, data, fn ) { return this.on( types, null, data, fn ); }, unbind: function( types, fn ) { return this.off( types, null, fn ); },
delegate: function( selector, types, data, fn ) { return this.on( types, selector, data, fn ); }, undelegate: function( selector, types, fn ) {
// ( namespace ) or ( selector, types [, fn] ) return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn ); } } );
jQuery.holdReady = function( hold ) { if ( hold ) { jQuery.readyWait++; } else { jQuery.ready( true ); } }; jQuery.isArray = Array.isArray; jQuery.parseJSON = JSON.parse; jQuery.nodeName = nodeName;
// Register as a named AMD module, since jQuery can be concatenated with other
// files that may use define, but not via a proper concatenation script that
// understands anonymous AMD modules. A named AMD is safest and most robust
// way to register. Lowercase jquery is used because AMD module names are
// derived from file names, and jQuery is normally delivered in a lowercase
// file name. Do this after creating the global so that if an AMD module wants
// to call noConflict to hide this version of jQuery, it will work.
// Note that for maximum portability, libraries that are not jQuery should // declare themselves as anonymous modules, and avoid setting a global if an // AMD loader is present. jQuery is a special case. For more information, see // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
if ( typeof define === "function" && define.amd ) { define( "jquery", [], function() { return jQuery; } ); }
var
// Map over jQuery in case of overwrite _jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$;
jQuery.noConflict = function( deep ) { if ( window.$ === jQuery ) { window.$ = _$; }
if ( deep && window.jQuery === jQuery ) { window.jQuery = _jQuery; }
return jQuery; };
// Expose jQuery and $ identifiers, even in AMD // (#7102#comment:10, https://github.com/jquery/jquery/pull/557) // and CommonJS for browser emulators (#13566) if ( !noGlobal ) { window.jQuery = window.$ = jQuery; }
return jQuery;