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JavaScript is Netscape's cross-platform, object-based scripting language for client and server applications. This book is a reference manual for the JavaScript language, including both core and server-side JavaScript.
This preface contains the following sections:
For a summary of JavaScript 1.2 features, see "New Features in this Release" on page 3. Information on these features has been incorporated in this manual.
This book assumes you have the following basic background:
Each version of Navigator supports a different version of JavaScript. To help you write scripts that are compatible with multiple versions of Navigator, this manual lists the JavaScript version in which each feature was implemented.
The following table lists the JavaScript version supported by different Navigator versions. Versions of Navigator prior to 2.0 do not support JavaScript.
JavaScript and Navigator versions
Each version of the Netscape Enterprise Server also supports a different version of JavaScript. To help you write scripts that are compatible with multiple versions of the Enterprise Server, this manual uses an abbreviation to indicate the server version in which each feature was implemented.
JavaScript and Netscape Enterprise Server versions
The server-side JavaScript documentation includes the following books:
If you are new to JavaScript, start with the Server-Side JavaScript Guide. Once you have a firm grasp of the fundamentals, you can use the Server-Side JavaScript Reference to get more details on individual objects and statements.
Use the material in the server-side books to familiarize yourself with core and server-side JavaScript. Use the Client-Side JavaScript Guide and Client-Side JavaScript Reference for information on scripting HTML pages.
The Netscape Enterprise Server Programmer's Bookshelf summarizes the different programming interfaces available with the 3.x versions of Netscape web servers. Use this guide as a roadmap or starting point for exploring the Enterprise Server documentation for developers.
The Netscape web site contains information that can be useful when you're working with JavaScript. The following URLs are of particular interest:
JavaScript applications run on many operating systems; the information in this book applies to all versions. File and directory paths are given in Windows format (with backslashes separating directory names). For Unix versions, the directory paths are the same, except that you use slashes instead of backslashes to separate directories.
This book uses uniform resource locators (URLs) of the following form:
http://server.domain/path/file.html
In these URLs, server represents the name of the server on which you run your application, such as research1 or www; domain represents your Internet domain name, such as netscape.com or uiuc.edu; path represents the directory structure on the server; and file.html represents an individual file name. In general, items in italics in URLs are placeholders and items in normal monospace font are literals. If your server has Secure Sockets Layer (SSL) enabled, you would use https instead of http in the URL.
This book uses the following font conventions:
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Last Updated: 11/13/98 10:22:43
Copyright (c) 1998
Netscape Communications Corporation