Hipster Scoping

I'll just leave this here
http://www.reddit.com/r/programming/comments/zx137/coffeescript_devs_dont_understand_lexical_scope/

>>14
JavaScript 1.7 has generators: https://developer.mozilla.org/en-US/docs/JavaScript/New_in_JavaScript/1.7
JavaScript 1.8 has "expression closures" (shorter function expressions) and "generator expressions" (lazy array comprehensions): https://developer.mozilla.org/en-US/docs/JavaScript/New_in_JavaScript/1.8