I wasn't a particularly good developer then, and the complete lack of debugging tools made it even worse Yeah! Before Firebug, I was strictly a "do i

I wasn't a particularly good developer then, and the complete lack of debugging tools made it even worse Yeah! Before Firebug, I was strictly a "do it server-side" guy at all costs. The experience of trying to debug JS on any browser, let alone multiple browsers, was just a total crapshow. I was 10x, maybe 20x more productive server-side. Firebug changed that. It truly paved the way for actually-sane client side development/debugging. It is not an understatement to say that Firebug changed the world.