一些前端开发 IE 中的常用调试工具：
Microsoft Script Debugger —— Companion.JS need to install this
Companion.JS —— Javascript debugger for IE , like Console API feature
IE Developer Toolbar —— Like Firebug (DOM/CSS etc)
Fiddler —— Web Debugging Proxy
HttpWatch —— HTTP viewer
Fiddler
一个很强大的http流查看工具
http://www.fiddlertool.com/fiddler/
Httpwatch
数据分析工具,头消息接受/发送的查看,POST数据查看.等等
http://www.httpwatch.com
IE Developer Toolsbar
IE下的FireBug.HTML及CSS调试工具
http://www.windowsmarketplace.com/details.aspx?itemid=2695980
Companion.JS
IE下的javascript调试工具.福音啊!福音啊!!福音啊!!!
http://www.my-debugbar.com/wiki/CompanioNJS/HomePage
FireBug
强的没话说了已经….如果你不知道这是什么….那我更没话说了….
https://addons.mozilla.org/en-US/firefox/addon/1843
Web Developer
FireFox下的查看工具,可以查看JS,CSS等页面信息
https://addons.mozilla.org/en-US/firefox/addon/60
YSlow
why slow?页面性能优化查看器.基于FireBug
http://developer.yahoo.com/yslow
Javascript Debugger
FireFox下的javascript调试工具,比FireBug有更强大的调试功能.
https://addons.mozilla.org/en-US/firefox/addon/216
Opera Developer Tools
Opera下的DOM,CSS查看工具,类似FireBug.
http://dev.opera.com/articles/view/opera-developer-tools/
webkit
Safari下的开发调试工具
http://nightly.webkit.org/
文章出处：DIY部落(http://www.diybl.com/course/1_web/javascript/jsjs/20090308/159890.html)