<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
var div = $("div");
$("#start").click(function(){
div.animate({height: 300}, "slow");
div.animate({width: 300}, "slow");
div.queue(function () {
div.css("background-color", "red");
div.dequeue();
});
div.animate({height: 100}, "slow");
div.animate({width: 100}, "slow");
});
$("#stop").click(function(){
div.clearQueue();
});
});
</script>
</head>
<body>
<p>The queue() method shows the queue of functions to be executed on the selected elements.</p>
<p>The dequeue() method removes the next function from the queue, and then executes the function.</p>
<p>The clearQueue() removes all items from the queue that have not yet been run.<p>
<p>
<button id="start">Start Animation</button>
<button id="stop">Stop Animation</button>
</p>
<div style="background:#98bf21;height:100px;width:100px;position:relative"></div>
</body>
</html>