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JavaScript is Netscape's cross-platform, object-based scripting language for client and server applications. This manual is a reference manual for the JavaScript language, including both core and client-side JavaScript.
This preface contains the following sections:
For a summary of JavaScript 1.3 features, see "New Features in this Release" on page 3. Information on these features has been incorporated in this manual.
This manual assumes you have the following basic background:
Some programming experience with a language such as C or Visual Basic is useful, but not required.
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.
Table 1 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.
Table 2 JavaScript and Netscape Enterprise Server versions
The client-side JavaScript documentation includes the following manuals:
If you are new to JavaScript, start with the Client-Side JavaScript Guide. Once you have a firm grasp of the fundamentals, you can use the Client-Side JavaScript Reference to get more details on individual objects and statements.
If you are developing a client-server JavaScript application, use the material in the client-side manuals to familiarize yourself with core and client-side JavaScript. Then, use the Server-Side JavaScript Guide and Server-Side JavaScript Reference for help developing a server-side JavaScript application.
DevEdge, Netscape's online developer resource, contains information that can be useful when you're working with JavaScript. The following URLs are of particular interest:
Occasionally this manual tells you where to find things in the user interface of Navigator. In these cases, the manual describes the user interface in Navigator 4.5. The interface may be different in earlier versions of the browser.
JavaScript applications run on many operating systems; the information in this manual 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 manual uses uniform resource locators (URLs) of the following form:
http://server.domain/path/file.htm
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.htm 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 manual uses the following font conventions:
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Last Updated: 05/28/99 11:58:56
Copyright (c) 1999
Netscape Communications Corporation