<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>DOM编程挑战</title>
<link rel="stylesheet" type="text/css" href="style/DOM.css">
<script type="text/javascript" src="js/DOM.js"></script>
</head>
<body>
<div id="divselect">
<cite>请选择分类</cite>
<ul>
<li id="li"><a href="javascript:;" selectid="1">ASP开发</a></li>
<li><a href="javascript:;" selectid="2">.NET开发</a></li>
<li><a href="javascript:;" selectid="3">PHP开发</a></li>
<li><a href="javascript:;" selectid="4">Javascript开发</a></li>
<li><a href="javascript:;" selectid="5">Java特效</a></li>
</ul>
</div>
</body>
</html>
window.onload=function(){
var box=document.getElementById('divselect'),
title=box.getElementsByTagName('cite')[0],
menu=box.getElementsByTagName('ul')[0],
as=box.getElementsByTagName('a'),
index=-1;
// 点击三角时
title.onclick=function(event){
event=event||window.event;
if (event&&event.stopPropagation) {
event.stopPropagation();
}else{
window.event.cancelBubble=true;
}
menu.style.display="block";
// 执行脚本
}
在非IE浏览器中,使用event.stopPropagation()方法来阻止事件冒泡,在IE浏览器中,使用event.cancelBubble=true属性来阻止事件冒泡~