Chapter 1. Essential JavaScript

Essential JavaScript

Welcome to the world of Java Script. This book is your guided tour to that world, so have no worries—you’ve come to the right place. That world is large and expanding in unpredictable ways every minute, but we’re going to become familiar with the lay of the land in detail here. And there’s a lot of territory to cover, because JavaScript is getting into the most amazing places, and in the most amazing ways, these days.

You’ll see JavaScript just about everywhere you go on the Internet; it’s the language of the web. JavaScript is a powerful, compact scripting language that gets embedded right in web pages, and brings ...

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