prototype-classes versus functional inheritance
The Computer Language Benchmarks Game is a collection of 429 programs, consisting of 13 benchmark reimplemented across 33 programming languages. It is a fantastic resource if you are trying to compare programming languages quantitatively. Which, oddly, very few people seems to be interested in doing.
JavaScript is a fully-featured Object-Oriented programming language. On the surface, it shares syntactical similarities with Java and C, but the mentality is quite different. At its core, JavaScript is more similar to functional languages. Inside is a list of JavaScript tips, some offer techniques to simulate features found in C-like languages (such as assertions or static variables). Others are meant to improve performance and explore some of the more obscure parts of the web scripting language.