| /* 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://html.spec.whatwg.org/multipage/#the-trackevent-interface |
| |
| [Exposed=Window] |
| interface TrackEvent : Event { |
| [Throws] constructor(DOMString type, optional TrackEventInit eventInitDict = {}); |
| readonly attribute (VideoTrack or AudioTrack or TextTrack)? track; |
| }; |
| |
| dictionary TrackEventInit : EventInit { |
| (VideoTrack or AudioTrack or TextTrack)? track = null; |
| }; |