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DOM - DOMImplementation Object Method - hasFeature
The method hasFeature () tests if the DOM implementation implements a specific feature and version as defined in DOM Features.
Syntax
Following is the syntax of the hasFeature () method.
flag = document.implementation.hasFeature(feature, version);
| S.No. | Parameter & Description |
|---|---|
| 1 | feature It is a DOMString representing the feature name. |
| 2 | version It is a DOMString representing the version of the specification defining the feature. |
Example
Following example demonstrates the usage of the hasFeature () method −
<!DOCTYPE html>
<html>
<body>
<script>
document.write(document.implementation.hasFeature('Core', '3.0'));
</script>
</body>
</html>
Execution
Save this file as domimplementation_hasfeature.htm on the server path. We will get the output as shown below −
true
dom_domimplementation_object.htm
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