Navigator

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Webmaster in a Nutshell, 3rd Edition
By Robert Eckstein, Stephen Spainhour
Table of Contents
Chapter 11.  JavaScript


Navigator Client-Side JavaScript 1.0

Information about the browser
 navigator 

Properties

appCodeName

A read-only string that specifies a nickname for the browser. In all Netscape browsers, this is "Mozilla". For compatibility, this property is "Mozilla" in Microsoft browsers as well.

appName

A read-only string property that specifies the name of the browser. For Netscape, the value of this property is "Netscape". In IE, the value of this property is "Microsoft Internet Explorer".

appVersion

A read-only string that specifies version and platform information for the browser. The first part of this string is a version number. Pass the string to parseInt( ) to obtain the major version number only or to parseFloat( ) to obtain the major and minor version numbers as a floating-point value. The remainder of the string value of this property provides other details about the browser version, including the operating system it is running on. Unfortunately, however, the format of this information varies widely from browser to browser.

cookieEnabled

A read-only boolean that is true if the browser has cookies enabled, and false if they are disabled. IE 4, Netscape 6.

language

A read-only string that specifies the default language of the browser version. The value of this property is a standard two-letter language code such as "en" for English or "fr" for French. It can also be a five-letter string indicating a language and a regional variant, such as "fr_CA" for French, as spoken in Canada. Netscape 4; note that IE 4 provides two different language- related properties.

platform

A read-only string that specifies the operating system and/or hardware platform the browser is running under. Although there is not standard set of values for this property, some typical values are "Win32", "MacPPC", and "Linux i586". JS 1.2.

systemLanguage

A read-only string that specifies the default language of the operating system using the same standard codes used by the Netscape-specific language property. IE 4.

userAgent

A read-only string that specifies the value the browser uses for the user -agent header in HTTP requests . Typically, this is the value of navigator.appCodeName followed by a slash and the value of navigator.appVersion.

userLanguage

A read-only string that specifies the preferred language of the user using the same standard codes used by the Netscape-specific language property. IE 4.

Methods

javaEnabled( )

Returns true if Java is supported and enabled in the current browser, or false if it is not. JS 1.1.

See Also

Screen


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Webmaster in a Nutshell
Webmaster in a Nutshell, Third Edition
ISBN: 0596003579
EAN: 2147483647
Year: 2002
Pages: 412

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