<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.7.1.js'></script>
<style type='text/css'>
div {
width: 50px;
height: 50px;
background: #EEE;
border-radius: 50px;
box-shadow: 0 0 10px orange;
transition: all 1s ease-in-out;
-webkit-transition: all 1s ease-in-out;
-moz-transition: all 1s ease-in-out;
-o-transition: all 1s ease-in-out;
-ms-transition: all 1s ease-in-out;
}
div.animate {
margin-left: 150px;
box-shadow: 0 0 30px orange;
}
</style>
<script type='text/javascript'>
$(function(){
$('#trigger').on('mouseover',function(){
$(this).toggleClass('animate');
$('#debug').html('Animation started');
});
$('#trigger').on('webkitTransitionEnd moztransitionend transitionend oTransitionEnd', function () {
$('#debug').html('Animation ended');
});
});
</script>
</head>
<body>
<div id='trigger'></div>
<p id='debug'></p>
</body>
</html>