ObsoleteThis feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.
The Node.isSupported()
returns a Boolean
flag containing the result of a test whether the DOM implementation implements a specific feature and this feature is supported by the specific node.
Syntax
boolValue = element.isSupported(feature, version)
Parameters
- feature
- Is a
DOMString
containing the name of the feature to test. This is the same name which can be passed to the methodhasFeature
on DOMImplementation. Possible values defined within the core DOM specification are listed on the DOM Level 2 Conformance Section. - version
- Is a
DOMString
containing the version number of the feature to test. In DOM Level 2, version 1, this is the string2.0
. If the version is not specified, supporting any version of the feature will cause the method to return true.
Example
<div id="doc">
</div>
<script>
// Get an element and check to see if its supports the DOM2 HTML Module.
var main = document.getElementById('doc');
var output = main.isSupported('HTML', '2.0');
</script>
Specifications
Specification | Status | Comment |
---|---|---|
Document Object Model (DOM) Level 3 Core SpecificationThe definition of 'Node.isSupported()' in that specification. | Obsolete | No change from Document Object Model (DOM) Level 2 Core Specification. |
Document Object Model (DOM) Level 2 Core SpecificationThe definition of 'Node.isSupported()' in that specification. | Obsolete | Initial definition. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
isSupported
|
Chrome
No support No |
Edge
No support No |
Firefox
No support 1 — 22 |
IE
? |
Opera
? |
Safari
? |
WebView Android
No support No |
Chrome Android
No support No |
Firefox Android
No support 4 — 22 |
Opera Android
? |
Safari iOS
? |
Samsung Internet Android
No support No |
Legend
- No support
- No support
- Compatibility unknown
- Compatibility unknown
See also
- The
Node
interface it belongs to.
Node.isSupported() by Mozilla Contributors is licensed under CC-BY-SA 2.5.