Book excerpt: The JavaScript SourceBook is a complete tutorial and reference for using JavaScript, teaching developers how to create JavaScripts and integrate them into HTML pages. With up-to-the-minute tips on creating JavaScript applications that take full advantage of new features in NetScape 3.0, the book explores JavaScript basics and features extensive discussions of advanced techniques, including JavaScript workarounds and Java applet construction for JavaScript. Includes CD-ROM with... A library of ready to use JavaScript Applications and routines, plus a selection of reusable Java Components that readers can build into their JavaScript programs. JavaScript allows programmers to build Web sites nearly as sophisticated as a Java Web site without having to do the actual programming. This will enable non-programmers to create Web sites with animation, 3D graphics, and more.