We're developers, we are both tool makers and tool users. Limiting ourselves to either Chrome or Firefox (or IE or Opera or...) is - well - stupid. Use the too

We're developers, we are both tool makers and tool users. Limiting ourselves to either Chrome or Firefox (or IE or Opera or...) is - well - stupid. Use the tools we have. Use all of them. Make sure your code works everywhere (reasonable - I.E. 6 is as far back as I go currently) Anything else is a disservice to your self, your craft, and your users.