JavaScript is the ubiquitous programming language of the Web, and for more than 15 years, JavaScript: The Definitive Guide has been the bible of JavaScript programmers around the world. Ideal for JavaScript developers at any level, this book is an all-new excerpt of The Definitive Guide, collecting the essential parts of that hefty volume into this slim yet dense pocket reference.

The first 9 chapters document the latest version (ECMAScript 5) of the core JavaScript language, covering:

• Types, values, and variables
• Operators, expressions, and statements
• Objects and arrays
• Functions and classes

The next 5 chapters document the fundamental APIs for using JavaScript with HTML5 and explain how to:

• Interact with web browser windows
• Script HTML documents and document elements
• Modify and apply CSS styles and classes
• Respond to user input events
• Communicate with web servers
• Store data locally on the user's computer

This book is a perfect companion to jQuery Pocket Reference.