Learning Order
http://sivers.org/learn-js
History and Versions
http://en.wikipedia.org/wiki/JavaScript
Tutorial and Intros
Eloquent JavaScript
http://javascript.crockford.com/
Mozilla’s Core JavaScript Guide
Mozilla’s Core JavaScript Reference
http://home.cogeco.ca/~ve3ll/jstutor0.htm
http://www.javascriptkit.com/
Books
JavaScript: The Definitive Guide
Related Links
http://ycsoftware.net/javascript-libraries-useful-links/
http://ycsoftware.net/common-web-browsers-javascript-engines/