The good parts: working with the shallow grain of JavaScript

This authoritative book reveals the features of JavaScript that make it an outstanding object-oriented programming language, while warning about poor features.
Abstract: Offers an explanation of the features that make JavaScript an object-oriented programming language, and warns you about the bad parts. This book defines a subset of JavaScript that's readable and maintainable than the language. It offers ideas that include functions, loose typing, dynamic objects, and an expressive object literal notation.