/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

// https://dom.spec.whatwg.org/#nonelementparentnode
interface mixin NonElementParentNode {
  [Pure]
  Element? getElementById(DOMString elementId);
};