Web site or intranet developers need to understand JavaScript. This guide to writing JavaScript applications covers the JavaScript development environment including the new Netscape Navigator 3.0 browser; contains examples of advanced topics including Forms, Frames and LiveWire; introduces the basics functions, variables, operators, I/O, and the JavaScript Object Mode; and includes tips for optimizing scripts. The CD-ROM includes Macromedia Shockwave and other Netscape plug-ins, plus code examples from the book. Annotation c. by Book News, Inc., Portland, Or.