hasFeature Method
 | |
Returns a value that indicates whether the object implements a specific Document Object Model (DOM) standard.
Syntax
bImplemented = implementation.hasFeature(sFeature [, vVersion])
Parameters
| sFeature |
Required.
Name of the standard.| XML | DOM Core standard. | | HTML | DOM HTML standard. |
|
| vVersion |
Optional.
Version number of the standard. |
Return Value
Returns one of the following possible values:
| true | Standard is implemented. |
| false | Standard is not implemented. |
Remarks
The sFeature
parameter is case-insensitive.
Example
The code in the following example uses the hasFeature method to test whether the object implements the DOM HTML standard.
var bSupported = document.implementation.hasFeature("HTML","1.0");
Standards Information
method is defined in
World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 
.
Applies To
