Best way to trace Javascript code
What is the best way to debug Javascript code using any tool..i.e. i want to know when a button is clicked, what all JS code gets executed...

I wanted to test in Firefox and Safari..Already tried Firebug, but want to know if there is any better way..
Best way to trace Javascript code
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What is the best way to debug Javascript code using any tool..i.e. i want to know when a button is clicked, what all JS code gets executed...

I wanted to test in Firefox and Safari..Already tried Firebug, but want to know if there is any better way..