Advanced Debugging with JavaScript
http://www.alistapart.com/articles/advanceddebuggingwithjavascript

Mills, Chris and Hallvord R. M. Steen
List Apart, A
2009

Abstract:

When used effectively, JavaScript debuggers help find and squash errors in your JavaScript code. To become an advanced JavaScript debugger, you’ll need to know about the debuggers available to you, the typical JavaScript debugging workflow, and code requirements for effective debugging. In this article, we’ll discuss advanced debugging techniques for diagnosing and treating bugs using a sample web application.