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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. The name of the standard. XML DOM Core standard. HTML DOM HTML standard.
vVersion	Optional. The version number of the standard. 1.0 Level 1.

Return Value

Returns one of the following possible values.

true	Standard is implemented.
false	Standard is not implemented.

Remarks

hasFeature was introduced in Microsoft Internet Explorer 6.

The sFeature parameter is case-insensitive.

Example

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

implementation