DOMNode->isSupported()

Checks if feature is supported for specified version ()

DOMNode {
  bool isSupported(string feature,
                   string version);

}

Checks if the asked feature is supported for the specified version.

参数

feature

The feature to test. See the example of DOMImplementation->hasFeature() for a list of features.

version

The version number of the feature to test.

返回值

如果成功则返回 TRUE,失败则返回 FALSE