git.iko.soy/urbit.org
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urbit.org/static/primer.js
61 lines 1.6 kB history raw
1$(function() {
2 //caches a jQuery object containing the header element
4 var $intro = $(".stack-intro");
5 var $apart = $(".stack-apart");
7 var windowHeight
8 var apartHeight
9 var introTop
10 var apartTop
12 var computePositions = function() {
13 // Find the offset-top for the items
14 windowHeight = window.innerHeight
15 introTop = $intro.offset().top
16 apartTop = $apart.offset().top
17 introHeight = $intro.height()
18 apartHeight = $apart.height()
19 }
21 var computeAndCheckPositions = function() {
22 computePositions()
23 checkScroll()
24 }
26 var checkScroll = function() {
27 computePositions()
29 var windowTop = $(window).scrollTop();
30 var windowBottom = windowTop + windowHeight
32 if (introTop > windowTop && ((introTop+(windowHeight/2)) < windowBottom)) {
33 $intro.removeClass('animate-false').addClass('animate-true');
34 }
35 if (apartTop > windowTop && ((apartTop+(windowHeight/2)) < windowBottom)) {
36 $apart.removeClass('animate-false').addClass('animate-true');
37 }
38 }
40 $(window).on('resize',computePositions)
41 $(window).on('scroll',checkScroll)
43 computeAndCheckPositions()
44 setTimeout(computeAndCheckPositions, 1000)
45 setTimeout(computeAndCheckPositions, 4000)
46 setTimeout(computeAndCheckPositions, 10000)
47})
49$(function() {
50 $('.menu-toggle').on('click', function() {
51 $('nav').toggleClass('menu-hide menu-show');
52 $('body').toggleClass('overflow-hidden');
53 })
54});
56$(function() {
57 $('.sidebar-toggle').on('click', function() {
58 $('#sidebar-mobile').toggleClass('sidebar-hide sidebar-show');
59 $('body').toggleClass('overflow-hidden');
60 })
61});