js 阻止冒泡 stopPropagation

时间：2015-05-30 14:45:59 阅读：266 评论：0 收藏：0 [点我收藏+]

<!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" lang="gb2312">
<head>
<title> 闃绘JS浜嬩欢鍐掓场浼犻€掞紙cancelBubble 銆乻topPropagation锛?</title>
<meta name="keywords" content="JS,浜嬩欢鍐掓场,cancelBubble,stopPropagation" />
<script>
function doSomething (obj,evt) {
 alert(obj.id);
 var e=(evt)?evt:window.event;
 if (window.event) {
  e.cancelBubble=true;// ie涓嬮樆姝㈠啋娉?
 } else {
  //e.preventDefault();
  e.stopPropagation();// 鍏跺畠娴忚鍣ㄤ笅闃绘鍐掓场
 }
}
</script>
</head>
<body>
<div id="parent1" onclick="alert(this.id)" style="width:250px;background-color:yellow">
 <p>This is parent1 div.</p>
 <div id="child1" onclick="alert(this.id)" style="width:200px;background-color:orange">
  <p>This is child1.</p>
 </div>
 <p>This is parent1 div.</p>
</div>
<br />
<div id="parent2" onclick="alert(this.id)" style="width:250px;background-color:cyan;">
 <p>This is parent2 div.</p>
 <div id="child2" onclick="doSomething(this,event);" style="width:200px;background-color:lightblue;">
  <p>This is child2. Will bubble.</p>
 </div>
 <p>This is parent2 div.</p>
</div>
</body>
</HTML>

js 阻止冒泡 stopPropagation

原文：http://www.cnblogs.com/jghdream/p/4540236.html

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