This brain-friendly guide teaches you everything from JavaScript language fundamentals to advanced topics, including objects, functions, and the browser’s document object model. You won’t just be reading—you’ll be playing games, solving puzzles, pondering mysteries, and interacting with JavaScript in ways you never imagined. And you’ll write real code, lots of it, so you can start building your own web applications.

Eric T. Freeman

Eric Freeman is described by Head First series co-creator Kathy Sierra as “one of those rare individuals fluent in the language, practice, and culture of multiple domains from hipster hacker, to corporate VP, engineer, think tank." Professionally, Eric recently ended nearly a decade as a media company executive, having held the position of CTO of Disney Online & Disney.com at The Walt Disney Company. Eric is now devoting his time to WickedlySmart.com and lives with his wife and young daughter on Bainbridge Island. He holds a Ph.D. in Computer Science from Yale University.

Elisabeth Robson

Elisabeth Robson is co-founder of Wickedly Smart, an education company devoted to helping customers gain mastery in web technologies. She’s co-author of three bestselling books, Head First Design Patterns, Head First HTML with CSS & XHTML and Head First HTML5 Programming.