var output = function(o) {
$('#output').append(o+'<br />');
};
$('#output').empty();
output("start");
var AnimationQueue = {
setup: function( anims ) {
var prom = this.run( anims.setup ),
that = this;
$.each(anims.animations, function(idx, val) {
prom = prom.pipe( function() { return that.run.call( null, val ); } );
});
return prom;
},
run: function( animations ) {
var def = $.Deferred(),
anims = [];
$.each(animations, function(idx, ans) {
anims.push( ans.elem.delay(ans.delay || 0).animate( ans.css, ans.opts ) );
} );
$.when.apply(null, anims).done(function() {
def.resolve();
});
return def.promise();
}
};
var anims = {
setup: [
{ elem: $('#left').find('li').eq(0), css: { left: '-200px' }, opts: { duration: 0 } },
{ elem: $('#right').find('li').eq(0), css: { right: '-200px' }, opts: { duration: 0 } }
],
animations: [
[
{ elem: $('#left').find('li').eq(0), css: { left: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 0 },
{ elem: $('#left').find('li').eq(1), css: { left: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 100 },
{ elem: $('#left').find('li').eq(2), css: { left: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 200 },
{ elem: $('#left').find('li').eq(3), css: { left: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 300 },
{ elem: $('#right').find('li').eq(0), css: { right: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 0 },
{ elem: $('#right').find('li').eq(1), css: { right: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 100 },
{ elem: $('#right').find('li').eq(2), css: { right: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 200 },
{ elem: $('#right').find('li').eq(3), css: { right: '0' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 300 },
],
[
{ elem: $('#left').find('li').eq(0), css: { left: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1000 },
{ elem: $('#left').find('li').eq(1), css: { left: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1100 },
{ elem: $('#left').find('li').eq(2), css: { left: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1200 },
{ elem: $('#left').find('li').eq(3), css: { left: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1300 },
{ elem: $('#right').find('li').eq(0), css: { right: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1000 },
{ elem: $('#right').find('li').eq(1), css: { right: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1100 },
{ elem: $('#right').find('li').eq(2), css: { right: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1200 },
{ elem: $('#right').find('li').eq(3), css: { right: '-200px' }, opts: { duration: 250, easing: "easeOutQuad" }, delay: 1300 }
],
]
};
$.when( AnimationQueue.setup(anims) )
.done(function() {
output('done');
});
<ul class="blocks" id="left">
<li>red</li>
<li>green</li>
<li>blue</li>
<li>pink</li>
</ul>
<ul class="blocks" id="right">
<li>red</li>
<li>green</li>
<li>blue</li>
<li>pink</li>
</ul>
<p id="output"></p>
.blocks {
width: 600px;
height: 300px;
position: absolute;
border: 1px solid black;
overflow: hidden;
}
#output {
width: 600px;
height: 50px;
position: absolute;
border: 1px solid black;
overflow: auto;
background: #ccc;
top: 305px;
}
.blocks li {
top: 40px;
left: -200px;
width: 200px;
height: 50px;
position: absolute;
}
#right li {
left: auto;
right: -200px;
}
.blocks li:nth-child(4n+1) {
background: red;
}
.blocks li:nth-child(4n+2) {
top: 100px;
background: green;
}
.blocks li:nth-child(4n+3) {
top: 160px;
background: blue;
}
.blocks li:nth-child(4n+4) {
top: 220px;
background: pink;
}