Appendix B. Tools for debugging Ajax applications

This appendix gives you a tour of some of the tools most frequently used by Ajax developers. It explains how to install web tools like Firebug and Web Development Helper and provides an overview of their main features. A section is also dedicated to Fiddler, a tool for debugging HTTP traffic. Finally, the last section explains how to debug script files using the Visual Studio debugger and the Script Explorer window.

B.1. Using Firebug for Firefox

Firebug is a web tool shipped as an add-on to the Firefox browser. It can monitor HTTP traffic, inspect the DOM of a page, and debug JavaScript code. When run in the browser, Firebug lets you change the look and behavior of a web page in real time. ...

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