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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>挑战题</title>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript">
</script>
</head>
<body>
<ul>
<li>1</li>
<li name="hi" style="display:none">2</li>
<li>3</li>
<li>4</li>
<li name="hi" style="display:none">5</li>
<li>6</li>
<li>7</li>
<a href="#">更多</a>
</ul>
<script type="text/javascript">
$("a").click(function(){
$var=$("a").html();
if($var=="更多"){
$("a").html("简化");
$("li[name='hi']").each(
function()
{$(this).css("display","");});
}
else{
$("a").html("更多");
$("li[name='hi']").each(
function()
{$(this).css("display","none");});
}
});
</script>
</body>
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