Javascript debug

<< Testing

methods

1. alert() Method: Window alert() Method
2. Is there an equivalent for var_dump (PHP) in Javascript? - Stack Overflow

data filter

1. isNaN() Function

tools

• The Online Lint
• JSLint,The JavaScript Code Quality Tool
  • desktop editor: Sublime Text + package: JSLint
• JS Bin - Collaborative JavaScript Debugging allow to download
• console.log for Firefox & Chrome not IE
  • 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 )
  • Using the Console - Chrome Developer Tools — Google DevelopersChrome
• Javascript var_dump function | Tsung's Blog