I clearly remember that 2 months ago whenever i had any javascript error , It was shown as red text in Firefox console , and i knew what is the problem.
But now its not doing that.
I had one undefined variable and i was using that. But i didn't knew. i had to waste 1 hour to find that.
But firebug didn't show anything on console. It was showing before 2-3 months back
Same in Firefox and Google chrome
What should i do