Introduction

With the explosive growth of JavaScript over the last decade, compiling a complete reference of the language, its libraries, and uses seems like an exercise in pure folly. There is truth to that, especially given the fairly permanent nature of paper. The aim of this book, as such, is not to compete with a blog or Web-based reference covering every move in the space of JavaScript. They have the luxury of updating as the Web winds blow. Rather, we aim to present the kinds of ideas that are more long lasting.

We think we got it right last time because the second edition of the book is still being used well even as this edition goes to press. Sure, there were groaners about long-dead browsers or ways of using the language that today ...

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