Getting Good with Javascript [Repost]

Ever wanted to spice up your websites with a dash of JavaScript, but not known where to start? In Getting Good with JavaScript, author Andrew Burgess breaks programming in JavaScript down into easy, straight-forward principles and practices.
This book will introduce you to important programming concepts, show you how to write your first scripts, and make you comfortable with JavaScript code. You'll learn:
The basics of types, variables, and operators
Best practices for efficient coding
Testing and optimizing your JavaScript
Interacting with HTML elements
Andrew Burgess will help you get past the learning curve and get you Getting Good with JavaScript!