1 <!DOCTYPE html>
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
5 <title>取消form表单提交或a打开的超连接</title>
6 <script src="/js/jquery-1.8.2.js"></script>
7 <script language="javascript" type="text/javascript">
8 $(function () {
9 $("*").each(function (index, item) {
10 $(item).bind("click", function (event) {
11 output("事件源:" + event.target.id + "," + event.target.tagName + ",事件对象：" + event.currentTarget.id);//DOM2会产生冒泡
12 //取消form表单提交或a打开的超连接
13 window.alert("begin:" + event.isDefaultPrevented());
14 event.preventDefault();
15 window.alert("end:" + event.isDefaultPrevented());
16
17 //同样也支持取消事件冒泡
18 window.alert("begin:" + event.isPropagationStopped());
19 event.stopPropagation();
20 window.alert("end:" + event.isPropagationStopped());
21 });
22 });
23 });
24 function output(text) {
25 $("#content").append(text + "<br/>");
26 }
27 </script>
28 </head>
29 <body id="body">
30 <div id="parent">
31 <div id="child">
32 点击这里
33 <a id="link" href="http://www.baidu.com">超连接</a>
34 <form id="form" action="http://www.baidu.com">
35 <input id="submit" type="submit" value="submit"/>
36 </form>
37 </div>
38 </div>
39 <div id="content">
40 </div>
41 </body>
42 </html>
