What is the best way to debug JavaScript and CSS? [closed]

Question

There are quite a few tools out there to debug JavaScript and CSS. Firebug, "Alert" messages, Script Debugger, MSE7.exe

I was wondering if anyone could chime in on which one happens to be the best and easiest tool to debug JavaScript and CSS issues?

Thanks

Answer 1

Firebug and Chrome Dev tools are pretty much the gold standard client side.

Chrome docs:

http://code.google.com/chrome/devtools/docs/overview.html

Firebug docs:

http://getfirebug.com/wiki/index.php/Main_Page