There is a similar tool in Internet Explorer that can be accessed by launching the Developer Tools (F12), clicking the Script tab, and then the Console tag, which will be located to the right.
jsBeautifier is a wonderful tool that provides much the same functionality as jsFiddle’s “Tidy Up” button, but with a lot more options. It formats the code perfectly and makes it easy for you to learn good formatting habits.
5) Stack Overflow
7) W3Schools–and when not to use it
And as always, if I’ve left anything out, please comment and let me know what I’ve missed.