Javascript debug
<< Testing: Javascript
methods / functions
- alert() Method: Window alert() Method
- Is there an equivalent for var_dump (PHP) in Javascript? - Stack Overflow
- isNaN() Function, isFinite() Function, typeof variable
tools
- The Online Lint
- JSLint,The JavaScript Code Quality Tool
- desktop editor: Sublime Text + package: JSLint[1]
- JS Bin - Collaborative JavaScript Debugging
allow to download - console.log()
- Firefox
: Firebug and Logging : Firebug, 利用Firebug的console功能作JavaScript偵錯 - iT邦幫忙::IT知識分享社群 for Firefox 
not work for the Firebug Lite for Google Chrome(tested version: 1.4.0.11967 ) - Chrome
: Using the Console - Chrome Developer Tools — Google Developers - IE
v.9: Using the F12 Tools Console to View Errors and Status (Windows) / 使用 F12 工具主控台檢視錯誤和狀態 (Windows) not IE v.8
- Firefox
- Javascript var_dump function | Tsung's Blog
