Method hasFeature of interface DOMImplementation

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hasFeature (method)

Owning interface and usage:

DOMImplementation.hasFeature(feature, version)

Member of these other interfaces :

none

Description:

Test if the DOM implementation implements a specific feature.

Parameters:

DOMString feature

The package name of the feature to test. In Level 1, the legal values are "HTML" and "XML" (case-insensitive).

DOMString version

This is the version number of the package name to test. In Level 1, version 1.0, this is the string "1.0". If the version is not specified, supporting any version of the feature will cause the method to return true.

Returns:

Boolean - true if the feature is implemented in the specified version, false otherwise.

Exceptions:

none

Example:

JavaScript:	var output = document.implementation.hasFeature('HTML', '1.0');

Output:

desired	your browser
(who knows :-)

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