Preface

JavaScript was originally intended to be a scripting interface between a web page loaded in the browser client (Netscape Navigator at the time), and the application on the server. Since its introduction in 1995, JavaScript has become a key component of web development, and has found uses elsewhere as well.

This book covers the JavaScript language, from its most primitive data types that have been around since the beginnings of the language, to its most complex features, including those involved with Ajax and DHTML. By the end of the book, you will have the basics you need to work with even the most sophisticated libraries and web applications.

Audience

Readers of this book should be familiar with web page technology, including CSS and HTML/XHTML. You may well have seen some JavaScript in that work. Previous programming experience isn’t required, though some sections may require extra review if you have no previous exposure to programming.

This book should help:

  • Anyone who wants, or needs, to integrate JavaScript into his own personal web site or sites

  • Anyone who uses a content-management tool, such as a weblogging tool, and wants to better understand the scripting components incorporated into her tool templates

  • Web developers who seek to integrate JavaScript and some of the DHTML/Ajax features into their web sites

  • Web service developers who want to develop for a new market of clients

  • Teachers who use web technologies as either the focus or a component of their courses

  • Web page designers who wish to better understand how their designs can be enlivened with interactive or animated effects

  • Anyone interested in web technologies

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