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isSupported(feature, version)
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Parameters
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Stringfeature
The name of the feature to test. This is the same name which can be passed to the method hasFeature on DOMImplementation.
Stringversion
This is the version number of the feature to test. In Level 2, version 1, this is the string "2.0". If the version is not specified, supporting any version of the feature will cause the method to return true.
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Returns
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boolean. Returns true if the specified feature is supported on this node, false otherwise.
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