Ten Oddities about Javascript

JavaScript. At once bizarre and yet beautiful, it is surely the programming language that Pablo Picasso would have invented. Null is apparently an object, an empty array is apparently equal to false, and functions are bandied around as though they were tennis balls.

NaN is a number, functions can execute themselves, undefined can be defined, and much more...

An amazing article noting incredible Javascript oddities. Read it on the Smashing Magazie: Ten Oddities And Secrets About JavaScript