<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").bind({
click:function(){$("p").slideToggle();},
mouseover:function(){$("body").css("background-color","red");},
mouseout:function(){$("body").css("background-color","#FFFFFF");}
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<button>请点击这里</button>
</body>
</html>