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JavaScript制作的可折叠弹出式菜单示例

2021/6/9 6:13:24   来源:
复制代码 代码如下:

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>可折叠弹出式菜单</title>
</head>
<style>
body {background-color: #FFF;color: #000;}
div {margin-bottom: 10px;}
ul.menu {display: none;list-style-type: none;margin-top: 5px;}
a.menuLink {font-size: 16px;font-weight: bold;}
</style>
<script type="text/javascript">
window.onload = initAll;
function initAll() {
var allLinks = document.getElementsByTagName("a");
for (var i=0; i<allLinks.length; i++) {
if (allLinks[i].className.indexOf("menuLink") > -1) {
allLinks[i].onclick = toggleMenu;
}
}
}
function toggleMenu() {
var startMenu = this.href.lastIndexOf("/")+1;
var stopMenu = this.href.lastIndexOf(".");
var thisMenuName = this.href.substring(startMenu,stopMenu);
var thisMenu = document.getElementById(thisMenuName).style;
if (thisMenu.display == "block") {
thisMenu.display = "none";
}
else {
thisMenu.display = "block";
}
return false;
}
</script>
<body>
<h1>Shakespeare's Plays</h1>
<div>
<a href="menu1.html" class="menuLink">Comdeis</a>
<ul class="menu" id="menu1">
<li><a href="pg1.html">All's Well That Ends Well</a></li>
<li><a href="pg2.html">As You Like It</a></li>
<li><a href="pg3.html">Love's Labour's Lost</a></li>
<li><a href="pg4.html">The Comedy of Errors</a></li>
</ul>
</div>
<div>
<a href="menu2.html" class="menuLink">Tragedies</a>
<ul class="menu" id="menu2">
<li><a href="pg5.html">Anthony & Cleopatra</a></li>
<li><a href="pg6.html">Hamlet</a></li>
<li><a href="pg7.html">Romeo & Juliet</a></li>
</ul>
</div>
<div>
<a href="menu3.html" class="menuLink">Histories</a>
<ul class="menu" id="menu3">
<li><a href="pg8.html">Henry IV, Part1</a></li>
<li><a href="pg9.html">Henry IV, Part2</a></li>
</ul>
</div>
</body>
</html>
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