6. Implements Attribute Module

This appendix is normative.

The Implements Attribute Module defines the implements attribute and adds it to the script element.

The Implements Attribute Module supports the following element:

Elements Attributes
script& implements (URIorSafeCURIEs)

The optional implements attribute indicates that the script provides an implementation of the feature or features identified via this attribute. The script should only be loaded and used if the user agent does not have an implementation of the specified feature.

Implementations: DTD, XML Schema