Just to add: I've just fixed this. I'll be updating the Web IDE in a few hours but if you can't wait, try: http://www.github.com/espruino/EspruinoWebIDE
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Just to add: I've just fixed this. I'll be updating the Web IDE in a few hours but if you can't wait, try: http://www.github.com/espruino/EspruinoWebIDE