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Errata
JavaScript: The Definitive Guide, 4th Edition
By
David Flanagan
Publisher
: O'Reilly
Pub Date
: November 2001
ISBN
: 0-596-00048-0
Pages
: 936
Slots
: 1
This fourth edition of the definitive reference to
JavaScript, a scripting language that can be embedded
directly in web pages, covers the latest version of the
language, JavaScript 1.5, as supported by Netscape 6 and
Internet Explorer 6. The book also provides complete
coverage of the W3C DOM standard (Level 1 and Level 2),
while retaining material on the legacy Level 0 DOM for
backward compatibility.
Availability
DOM Level 2 Core
Synopsis
boolean isSupported(String feature,String version);
Arguments
feature
The name of the feature to test. version
The version number of the feature to test, or the empty string to
test for support of any version of the feature.
Returns
true if the node supports the specified version of
the specified feature, and false if it does not.
Description
The W3C DOM standard is modular, and implementations are not required
to implement all modules or features of the standard. This method
tests whether the implementation of this node supports the specified
version of the named feature. See the
Section reference page for a
list of values for the feature and
version arguments.
See Also
DOMImplementation.hasFeature( )
