addyosmani essential js design patterns

Learning JavaScript Design Patterns is released under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 unported license. It is available for purchase via O'Reilly Media but will remain available for both free online and as a physical (or eBook) purchase for readers wishing to support the project.

http://www.addyosmani.com/resources/essentialjsdesignpatterns/book/