This question comes up so often both in IRC support channels and on SO that I don't understand why this wasn't closed as a duplicate. The accepted answer also

This question comes up so often both in IRC support channels and on SO that I don't understand why this wasn't closed as a duplicate. The accepted answer also overcomplicates what could be a very simple answer. In a quick Google, I found this. Asked in '08, not '12: http://stackoverflow.com/questions/111102/how-do-javascript-closures-work http://stackoverflow.com/questions/111102/how-do-javascript-...