<!DOCTYPE HTML >
<html>
<head>
<meta charset="utf-8">
<title>jquery</title>
<style>
div {background:#98bf21;height:100px;width:100px}
</style>
<script src="http://code.jquery.com/jquery-1.10.1.min.js">
</script>
<script type="text/javascript">
$(document).ready(function(){
$("#start").click(function(){
var div = $("div");
div.animate({height:300},"slow");
div.animate({width:300},"slow");
div.animate({height:100},"slow");
div.animate({width:100},"slow");
});
$("#stop").click(function(){
$("div").clearQueue();
});
});
</script>
</head>
<body>
<p>
<button id="start">Start Animation</button>
<button id="stop">Stop Current Animation</button>
</p>
<div></div>
</body>
</html>
