<title>.toggleClass() 演示</title>
<link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
<script src="/js/jqu/jquery.min1.10.2.js"></script>
<script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
$( "div" ).click(function() {
$( this ).toggleClass( "big-blue", 1000, "easeOutSine" );