Tools for debugging Ajax

When Joe Walker (the creator of DWR) visited Stockholm last week, he got a question during the Ajax seminar what tools there were for debugging Ajax. He whipped up this list of tools and techniques:

• Venkman for FireFox
• Joe's Venkman hack
• The (Mozilla) DOM Inspector
• The (Mozilla) Console²
• The (Mozilla) Web Developer Extension
• The Microsoft Script Debugger for IE
• The Internet Explorer Developer Toolbar
• Opera JavaScript debugging
• defaults write com.apple.Safari IncludeDebugMenu 1 (don't ask what it means - I have no idea)

Finally, this kind of code:

   if (window.console) window.console.log(message);
   else alert(message);

Then we have the newly released FireBug.