Written by JavaScript expert Stoyan Stefanov -- Senior Yahoo! Technical and architect of YSlow 2.0, the web page performance optimization tool -- JavaScript Patterns includes practical advice for implementing each pattern discussed, along with several hands-on examples. You'll also learn about anti-patterns: common programming approaches that cause more problems than they solve.

Explore useful habits for writing high-quality JavaScript code, such as avoiding globals, using single var declarations, and more
Learn why literal notation patterns are simpler alternatives to constructor functions
Discover different ways to define a function in JavaScript
Create objects that go beyond the basic patterns of using object literals and constructor functions
Learn the options available for code reuse and inheritance in JavaScript
Study sample JavaScript approaches to common design patterns such as Singleton, Factory, Decorator, and more
Examine patterns that apply specifically to the client-side browser environment