<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>测试UL</title>
<script language="javascript" src="js/jquery-1.5.1.js"></script>
<script language="javascript">
$(document).ready(function(){
//alert("出现提示");
//隐藏 class ="a01"的UL下的所有的LI
//$("ul.a01 >li ").hide("slow");
//点击class=01的BUTTON 隐藏class=a01的LI
$("button.01").click(function(){
$("ul.a01 >li ").hide("slow");
});
//显出出来
$("button.02").click(function(){
$("ul.a01 >li ").show("slow");
});
});
</script>
</head>
<body>
<ul class="a01">
<li>123123</li>
<li>432434</li>
<li>656546</li>
<li>444335</li>
</ul>
<ul class="a02">
<li>123123</li>
<li>432434</li>
<li>656546</li>
<li>444335</li>
</ul>
<button class="01">隐藏</button>
<button class="02">显示</button>
</body>
</html>