I just came across the Venkman JavaScript Debugger Extension for Firefox. It's a little slow and clunky still, but it looks like it is in active development. The mozilla debugger looks much better than the Microsoft Script Debugger.
Screen Shot: 
I just came across the Venkman JavaScript Debugger Extension for Firefox. It's a little slow and clunky still, but it looks like it is in active development. The mozilla debugger looks much better than the Microsoft Script Debugger.
Screen Shot: