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
This method is defined in 
World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 
.
Applies To