The API is based on preliminary work done in the WHATWG.

    This document was published by the as a Recommendation.

    A W3C Recommendation is a specification that, after extensive consensus-building, has received the endorsement of the W3C and its Members. W3C recommends the wide deployment of this specification as a standard for the Web. Future updates to this Recommendation may incorporate new features.

    This document is governed by the .