﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>语源科技BlogJava-hchaojie</title><link>http://www.blogjava.net/hchaojie/</link><description>学习、分享</description><language>zh-cn</language><lastBuildDate>Thu, 07 May 2026 04:46:34 GMT</lastBuildDate><pubDate>Thu, 07 May 2026 04:46:34 GMT</pubDate><ttl>60</ttl><item><title>JQuery（1）- 为什么不用window.onload()</title><link>http://www.blogjava.net/hchaojie/archive/2009/12/04/304763.html</link><dc:creator>hchaojie</dc:creator><author>hchaojie</author><pubDate>Fri, 04 Dec 2009 06:28:00 GMT</pubDate><guid>http://www.blogjava.net/hchaojie/archive/2009/12/04/304763.html</guid><wfw:comment>http://www.blogjava.net/hchaojie/comments/304763.html</wfw:comment><comments>http://www.blogjava.net/hchaojie/archive/2009/12/04/304763.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/hchaojie/comments/commentRss/304763.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/hchaojie/services/trackbacks/304763.html</trackback:ping><description><![CDATA[我们都写过这样的代码：<br />
<div style="border: 1px solid #cccccc; padding: 4px 5px 4px 4px; background-color: #eeeeee; font-size: 13px; width: 98%;"><!--<br />
<br />
Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
<br />
--><span style="color: #000000;">window.onload&nbsp;</span><span style="color: #000000;">=</span><span style="color: #000000;">&nbsp;</span><span style="color: #0000ff;">function</span><span style="color: #000000;">(){&nbsp;alert(</span><span style="color: #000000;">"</span><span style="color: #000000;">welcome</span><span style="color: #000000;">"</span><span style="color: #000000;">);&nbsp;}</span></div>
这样写的问题在于，该代码直到所有的图像全部load完了之后才会执行，（而且此时DOM还没完成加载）为了绕过这个问题，JQuery用一个ready事件来检查文档状态，直到文档可以被处理。<br />
<div style="border: 1px solid #cccccc; padding: 4px 5px 4px 4px; background-color: #eeeeee; font-size: 13px; width: 98%;"><!--<br />
<br />
Code highlighting produced by Actipro CodeHighlighter (freeware)<br />
http://www.CodeHighlighter.com/<br />
<br />
--><span style="color: #000000;">&nbsp;$(document).ready(</span><span style="color: #0000ff;">function</span><span style="color: #000000;">(){<br />
&nbsp;&nbsp;&nbsp;</span><span style="color: #008000;">//</span><span style="color: #008000;">&nbsp;Your&nbsp;code&nbsp;here</span><span style="color: #008000;"><br />
</span><span style="color: #000000;">&nbsp;});</span></div>
<br />
<img src ="http://www.blogjava.net/hchaojie/aggbug/304763.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/hchaojie/" target="_blank">hchaojie</a> 2009-12-04 14:28 <a href="http://www.blogjava.net/hchaojie/archive/2009/12/04/304763.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>