hasFeature Method

Internet Development Index

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.
XMLDOM Core standard.
HTMLDOM HTML standard.
vVersion Optional. Version number of the standard.
1.0Level 1.

Return Value

Returns one of the following possible values:

trueStandard is implemented.
falseStandard 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 Non-Microsoft link.

Applies To

implementation