November 2001
Intermediate to advanced
936 pages
68h 43m
English
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The Navigator Object
The Window.navigator
property refers to a
Navigator object that contains
information about the web browser as a whole, such as the version and
a list of the data formats it can display. The Navigator object is
named after Netscape Navigator, but it is also supported by
Internet Explorer. IE also
supports
clientInformation
as a vendor-neutral synonym for
navigator. Unfortunately, Netscape and Mozilla do
not support this property.
The Navigator object has five main properties that provide version information about the browser that is running:
-
appName The simple name of the web browser.
-
appVersion The version number and/or other version information for the browser. Note that this should be considered an “internal” version number, since it does not always correspond to the version number displayed to the user. For example, Netscape 6 reports a version number of 5.0, since there never was a Netscape 5 release. Also, IE Versions 4 through 6 all report a version number of 4.0, to indicate compatibility with the baseline functionality of fourth-generation browsers.
-
userAgent The string that the browser sends in its
USER-AGENTHTTP header. This property typically contains all the information in bothappNameandappVersion.-
appCodeName The code name of the browser. Netscape uses the code name “Mozilla” as the value of this property. For compatibility, IE does the same thing.
-
platform The hardware platform on which the browser is running. This property was ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.