📄 20.htm

📁 介绍了javascript的常用的函数

💻 HTM

字号:

<html>
<head>
<title>网页树形目录</title>
<style type="text/css">
<!--
	#tree{background-color:#CCCCCC;
		width:80px;
		visibility:hidden;}
	a:link{text-decoration: none;}
-->
</style>
<script language="javascript">
<!--
	function showtree(){
		if(tree.style.visibility == "visible"){
			tree.style.visibility = "hidden";
		}else{
			tree.style.visibility = "visible";
		}
	}
-->
</script>
</head>
<body>
<a href="javascript:showtree()">+</a>树形目录
<div id="tree">

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