HTML DOM Node isSupported()Method
Examples
Button element support detection for version 2.0 core features:
var item=document.getElementsByTagName("BUTTON")[0];
item.isSupported("Core","2.0");
item.isSupported("Core","2.0");
Output result:
true
Try it yourself »
Definition and Usage
The isSupported() method is used to determine whether the current node supports a certain feature.
Browser Support
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All major browsers support the isSupported method.
Note:Internet Explorer 8 and earlier IE versions do not support this method.
Syntax
node.isSupported(feature,version)
Parameters
| Parameters | Type | Description |
|---|---|---|
| feature | String | Required. Defines the feature you want to check for support. |
| version | String | Optional. Defines the version you want to check for support. |
Return Value
| Type | Description |
|---|---|
| Boolean | Returns true if the feature is supported, otherwise returns false. |
Technical Details
| DOM Version | Core Level 2 Node Object |
|---|
Other Extensions
Element Object