CHAPTER 1

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Getting Started with JavaScript

This book will teach you about JavaScript and how to use it in a practical manner. After you read it, you’ll be able to

  • Understand JavaScript syntax and structures.
  • Create scripts that are easy to understand and maintain.
  • Write scripts that do not interfere with others.
  • Write scripts that make web sites easier to use without blocking out non-JavaScript users.
  • Write scripts that are independent of the browser or user agent trying to understand them—which means that in some years they will still be usable and won’t rely on obsolete technology.
  • Enhance a web site with JavaScript, and allow developers without ...

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