1. 网页中的iframe加载完成后，希望做一些工作。比如在iframe内容改变前在某处显示"正在加载"，在加载完成后，显示内容改为"加载完成"。那么该怎么处理呢？
2.
3. 在jquery中iframe加载完成事件为load，而不是ready
4.
5. <html>
6. <head>
7. <meta http-equiv="contentType" content="text/html;charset=utf-8">
8. <script src="http://Ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.js"></script>
9. <script>
10.$(function(){
11. $("#phone").change(function(){
12. $("#message").text("正在加载..");
13. $("#theone").attr("src",$(this).val());
14. });
15.
16. $("#theone").load(function(){
17. $("#message").text("");
18. });
19.});
20.</script>
21.</head>
22.<body>
23.<select id="phone">
24.<option value="http://www.google.com.hk/">any one</option>
25.<option value="http://www.streamcave.com/upload/2010/8/201008251153427683.jpg">htc dream</option>
26.<option value="http://www.streamcave.com/upload/2010/8/201008251153454306.jpg">htc magic</option>
27.<option value="http://www.streamcave.com/upload/2010/8/201008251153453524.jpg">htc hero</option>
28.<option value="http://www.streamcave.com/upload/2010/8/201008251153464400.jpg">htc hattoo</option>
29.<option value="http://www.streamcave.com/upload/2010/8/201008251153483133.jpg">nexus one</option>
30.<option value="http://www.streamcave.com/upload/2010/8/201008251153485258.jpg">htc legend</option>
31.<option value="http://www.streamcave.com/upload/2010/8/201008251153510582.jpg">htc desire</option>
32.<option value="http://www.streamcave.com/upload/2010/8/201008251153532800.jpg">motorola milestone</option>
33.</select>
34.<span id="message" style="color:green"></span>
35.<hr/>
36.<iframe id="theone" src="" width="600" height="700"></iframe>
37.</body>
38.</html>
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