Javascript debug

<< Testing

methods

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

tools

• The Online Lint
• JS Bin - Collaborative JavaScript Debugging
• console.log
  • 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
  • Using the Console - Chrome Developer Tools — Google Developers