2010 07 23 im not a number really
You've probably seen this one here before. NaN (Not a Number) suffers from a terrible case of self-deception.
typeof NaN
//=> number
--- @3rdEden
Its still hilarious. Now, check this out:
3..toString();
// "3"
(By way of the wtfjs twitter firehouse. Cheers: @devongovett, @getify, @mahemoff, @cramforce, @mathias!)