﻿<?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>博客园-东捣's Blog-最新评论</title><link>http://www.cnblogs.com/zhengchuyu/CommentsRSS.aspx</link><description>郑楚煜的Web开发手札</description><language>zh-cn</language><pubDate>Mon, 17 Nov 2008 09:21:06 GMT</pubDate><lastBuildDate>Mon, 17 Nov 2008 09:21:06 GMT</lastBuildDate><generator>cnblogs</generator><item><title>Re:JavaScript神奇的定义方法</title><link>http://www.cnblogs.com/zhengchuyu/archive/2010/05/28/1247793.html#1834870</link><dc:creator>blackcore</dc:creator><author>blackcore</author><pubDate>Fri, 28 May 2010 04:17:21 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2010/05/28/1247793.html#1834870</guid><description><![CDATA[感觉上，这个json写得有问题吧，是不是得把getI后的逗号去了。<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">blackcore</a> 2010-05-28 12:17 <a href="http://www.cnblogs.com/zhengchuyu/archive/2010/05/28/1247793.html#1834870#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:令人惊奇的JavaScript面向对象（二）</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/12/10/1248576.html#1720161</link><dc:creator>独雕</dc:creator><author>独雕</author><pubDate>Thu, 10 Dec 2009 03:19:14 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/12/10/1248576.html#1720161</guid><description><![CDATA[即便照 cloudgamer 的说法来解释，JS还是有一个BUG
仍然这段代码：

function TestClass() {
    val = 1;
    alert(val);
    alert(window.val);

    var val = 10;
    alert(val);
    alert(window.val);
}

为什么JS预编译是这样(1)：
function TestClass() {
    //创建TestClass的成员变量
    var val ;
    //此时 val 只是TestClass的成员变量，不是全局变量
    val = 1;
    alert(val);
    alert(window.val);

    var val = 10;
    alert(val);
    alert(window.val);
}
而不是这样呢(2)？

//先创建一个叫val的全局变量
val = 1;
function TestClass() {
    //再申明一个叫val的TestClass的成员变量
    var val;
    alert(val);
    alert(window.val);

    var val = 10;
    alert(val);
    alert(window.val);
}

(1)的做法，明显会只创建一个成员变量val，而不会创建一个成员变量和一个全局变量，实际上应该是要创建2个都叫val的变量的。<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">独雕</a> 2009-12-10 11:19 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/12/10/1248576.html#1720161#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:令人惊奇的JavaScript面向对象（三）</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/09/13/1249144.html#1645104</link><dc:creator>stri</dc:creator><author>stri</author><pubDate>Sun, 13 Sep 2009 05:57:30 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/09/13/1249144.html#1645104</guid><description><![CDATA[写的一看就明白了.哈哈!<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">stri</a> 2009-09-13 13:57 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/09/13/1249144.html#1645104#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:郁闷的1px - IE6绝对定位的神奇bug</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/09/11/1306805.html#1643694</link><dc:creator>zhangxinxu</dc:creator><author>zhangxinxu</author><pubDate>Fri, 11 Sep 2009 08:00:43 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/09/11/1306805.html#1643694</guid><description><![CDATA[我的是高度宽度都自适应的，只能哭了！<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">zhangxinxu</a> 2009-09-11 16:00 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/09/11/1306805.html#1643694#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:JavaScript 两种for循环方式的异同</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/08/10/1269797.html#1610763</link><dc:creator>司徒正美</dc:creator><author>司徒正美</author><pubDate>Mon, 10 Aug 2009 09:55:35 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/08/10/1269797.html#1610763</guid><description><![CDATA[for in 循环是用于对象中,可以不一定按照顺序来!效率极差,慎用!<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">司徒正美</a> 2009-08-10 17:55 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/08/10/1269797.html#1610763#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:令人惊奇的JavaScript面向对象（二）</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/07/15/1248576.html#1585102</link><dc:creator>richie_qi</dc:creator><author>richie_qi</author><pubDate>Wed, 15 Jul 2009 02:49:30 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/07/15/1248576.html#1585102</guid><description><![CDATA[cloudgamer的解释确实让人茅塞顿开<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">richie_qi</a> 2009-07-15 10:49 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/07/15/1248576.html#1585102#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:JavaScript 两种for循环方式的异同</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/07/11/1269797.html#1582104</link><dc:creator>vapour</dc:creator><author>vapour</author><pubDate>Sat, 11 Jul 2009 08:11:15 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/07/11/1269797.html#1582104</guid><description><![CDATA[这个和for循环的执行顺序有关系。
1 i被赋值为0
2 执行判断i&lt;arr.length
3 如果上一步成立，则执行循环体，不成立则结束循环
4 i++;
5 重复步骤2到步骤4,直到i&gt;=arr.length<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">vapour</a> 2009-07-11 16:11 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/07/11/1269797.html#1582104#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Re:郁闷的1px - IE6绝对定位的神奇bug</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/07/10/1306805.html#1581391</link><dc:creator>vapour</dc:creator><author>vapour</author><pubDate>Fri, 10 Jul 2009 07:38:09 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/07/10/1306805.html#1581391</guid><description><![CDATA[谢谢楼主，今天也遇到了这个问题.宽度width可以通过设置解决。高度height一般需要自适应就没办法了。<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">vapour</a> 2009-07-10 15:38 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/07/10/1306805.html#1581391#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: 郁闷的1px - IE6绝对定位的神奇bug</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/06/25/1306805.html#1568084</link><dc:creator>写轮眼</dc:creator><author>写轮眼</author><pubDate>Thu, 25 Jun 2009 03:42:11 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/06/25/1306805.html#1568084</guid><description><![CDATA[@heroguang<br/>不会影响的<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">写轮眼</a> 2009-06-25 11:42 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/06/25/1306805.html#1568084#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>re: 郁闷的1px - IE6绝对定位的神奇bug</title><link>http://www.cnblogs.com/zhengchuyu/archive/2009/04/12/1306805.html#1500898</link><dc:creator>xxx_xxxx_xxx</dc:creator><author>xxx_xxxx_xxx</author><pubDate>Sun, 12 Apr 2009 03:35:24 GMT</pubDate><guid>http://www.cnblogs.com/zhengchuyu/archive/2009/04/12/1306805.html#1500898</guid><description><![CDATA[有解决方法吗？<br><br><div align=right><a style="text-decoration:none;" href="http://www.cnblogs.com/zhengchuyu/" target="_blank">xxx_xxxx_xxx</a> 2009-04-12 11:35 <a href="http://www.cnblogs.com/zhengchuyu/archive/2009/04/12/1306805.html#1500898#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>
