Template:XJTU-China/home.js

$(document).ready(function(){

 // header scroll to top animation
 $(window).scroll(function() {
   if ($(this).scrollTop() == 0) {
     $(function() {
       $('#top-nav .nav-link').clearQueue().animate({lineHeight: '74px'}, 200, 'linear');
       $('.navbar').clearQueue().animate({opacity: '0.75'}, 200, 'linear');
       $('.navbar-header').clearQueue().animate({top: '10px'}, 200, 'linear');
       $('header').data('expend', 'true');
       console.log('scoll to the top');
     });
   } else if ($(this).scrollTop() != 0 && $('header').data('expend') != 'false') {
     $(function() {
       $('.navbar-header').clearQueue().animate({top: '0'}, 400, 'linear');
       $('.navbar').clearQueue().animate({opacity: '1'}, 400, 'linear');
       $('#top-nav .nav-link').clearQueue().animate({lineHeight: '54px'}, 400, 'linear');
       $('header').data('expend', 'false');
     });
   }
 });

 // banner text showing animation
 $('#text-d').animate({opacity: '1'}, 800, 'swing');
 $('#text-e').delay(800).animate({opacity: '1'}, 800, 'swing');
 $('#text-cose').delay(1600).animate({opacity: '1'}, 1000, 'swing');
 $('.banner-sub-text').delay(3000).animate({opacity: '1'}, 800, 'swing');
 $('.banner-up-arrow').delay(4000).animate({opacity: '1'}, 800, 'swing');

 // banner scroll hint animation
 setInterval(function(){
   $('.banner-up-arrow').clearQueue().fadeTo(1400, 0.4).fadeTo(1400, 0.8);
 }, 2800);
 var iter=1;

 // banner picture cycling animation
 setInterval(function(){
   if (iter == $('.banner-pic-wrapper').children().length-1) {
     var next_iter = 1;
   } else {
     var next_iter = iter+1;
   }
   $('#banner-pic-'+next_iter).fadeIn(1000);
   $('#banner-pic-'+iter).delay(500).fadeOut(1000);
   iter = next_iter;
 }, 6000)

 // content text showing animation
 $('.content-title').waypoint(function(){
   $(this.element).animate({top: '0', opacity: '1'}, 800, 'swing');
 }, {offset: '70%'});
 $('.content-text:not(#content-block-2 .content-text)').waypoint(function(){
   $(this.element).animate({left: '0', opacity: '1'}, 600, 'swing');
 }, {offset: '70%'});
 $('#content-block-2 .content-text').waypoint(function(){
   $(this.element).animate({left: '0', opacity: '1'}, 600, 'swing');
 }, {offset: '70%'});

 // team picture
 $("#content-block-4").waypoint(function() {
   if ($("#content-block-4").data('inview') != 'true') {
     $('.banner-pic-wrapper').hide();
     $('#content-block-4-pic').show();
     $("#content-block-4").data('inview', 'true');
   } else {
     $('.banner-pic-wrapper').show();
     $('#content-block-4-pic').hide();
     $("#content-block-4").data('inview', 'false');
   }
 }, {offset: 'bottom-in-view'});

});