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javascript下拉菜单 博客分类： web JavaScriptXHTMLCSSHTML 

程序员文章站 2024-02-21 19:45:10
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>JavaScript下拉菜单</title>
<style type="text/css">
* {
	padding: 0;
	margin: 0;
}

body {
	font-family: verdana, sans-serif;
	font-size: small;
}

#navigation,#navigation li ul {
	list-style-type: none;
}

#navigation {
	margin: 20px;
}

#navigation li {
	float: left;
	text-align: center;
	position: relative;
}

#navigation li a:link,#navigation li a:visited {
	display: block;
	text-decoration: none;
	color: #000;
	width: 120px;
	height: 40px;
	line-height: 40px;
	border: 1px solid #fff;
	border-width: 1px 1px 0 0;
	background: #c5dbf2;
	padding-left: 10px;
}

#navigation li a:hover {
	color: #fff;
	background: #2687eb;
}

#navigation li ul li a:hover {
	color: #fff;
	background: #6b839c;
}

#navigation li ul {
	display: none;
	position: absolute;
	top: 40px;
	left: 0;
	margin-top: 1px;
	width: 120px;
}

#navigation li ul li ul {
	display: none;
	position: absolute;
	top: 0px;
	left: 130px;
	margin-top: 0;
	margin-left: 1px;
	width: 120px;
}
</style>
<script type="text/javascript"> 
function displaySubMenu(li) { 
var subMenu = li.getElementsByTagName("ul")[0]; 
subMenu.style.display = "block"; 
} 
function hideSubMenu(li) { 
var subMenu = li.getElementsByTagName("ul")[0]; 
subMenu.style.display = "none"; 
} 
</script>
</head>
<body>
<ul id="navigation">
	<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
	<a href="#">栏目1</a>
	<ul>
		<li><a href="#">栏目1->菜单1</a></li>
		<li><a href="#">栏目1->菜单2</a></li>
		<li><a href="#">栏目1->菜单3</a></li>
		<li><a href="#">栏目1->菜单4</a></li>
	</ul>
	</li>
	<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
	<a href="#">栏目2</a>
	<ul>
		<li><a href="#">栏目2->菜单1</a></li>
		<li><a href="#">栏目2->菜单2</a></li>
		<li><a href="#">栏目2->菜单3</a></li>
		<li><a href="#">栏目2->菜单4</a></li>
		<li><a href="#">栏目2->菜单5</a></li>
	</ul>
	</li>
	<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
	<a href="#">栏目3</a>
	<ul>
		<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
		<a href="#">栏目3->菜单1</a>
		<ul>
			<li><a href="#">菜单1->子菜单1</a></li>
			<li><a href="#">菜单1->子菜单2</a></li>
			<li><a href="#">菜单1->子菜单3</a></li>
			<li><a href="#">菜单1->子菜单4</a></li>
		</ul>
		</li>
		<li><a href="#">栏目3->菜单2</a></li>
		<li onmouseover="displaySubMenu(this)" onmouseout="hideSubMenu(this)">
		<a href="#">栏目3->菜单3</a>
		<ul>
			<li><a href="#">菜单3->子菜单1</a></li>
			<li><a href="#">菜单3->子菜单2</a></li>
			<li><a href="#">菜单3->子菜单3</a></li>
		</ul>
		</li>
	</ul>
	</li>
</ul>
</body>
</html>
 
相关标签： JavaScript XHTML CSS HTML

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