HTML DOM isSupported Method

# HTML DOM Node isSupported() Method

Element Object

## Example

Check if the feature Core, version 2.0, is supported for the <button> element:

var item = document.getElementsByTagName("BUTTON")[0];
item.isSupported("Core", "2.0");

The result will be:

true
Try it yourself »

## Definition and Usage

The isSupported() method checks if a specified feature is supported for the specified node.

Note: This method is obsolete in many browsers. Try to avoid using it.

## Browser Support

The numbers in the table specify the first browser version that fully supports the method.

Method |  |  |  |  |
--- | --- | --- | --- | --- | ---
isSupported() | Not supported | 9.0 | Not supported | Yes | Not supported

Note: This method was supported in Chrome, Firefox and Opera before, but they no longer support it.

## Syntax

node.isSupported(feature,version)

## Parameters

Parameter | Type | Description
--- | --- | ---
feature | String | Required. Defines the feature you want to check if is supported
version | String | Optional. Defines the version of the feature you want to check if is supported

## Technical Details

Return Value: | A Boolean, returns true if the feature is supported, otherwise false
DOM Version | Core Level 2 Node Object

Element Object

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