1 files changed, 16 insertions, 0 deletions
diff --git a/components/script/dom/webidls/AudioTrackList.webidl b/components/script/dom/webidls/AudioTrackList.webidl
new file mode 100644
index 00000000000..4428776972c
--- /dev/null
+++ b/components/script/dom/webidls/AudioTrackList.webidl
@@ -0,0 +1,16 @@
+/* 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/#audiotracklist
+
+[Exposed=Window]
+interface AudioTrackList : EventTarget {
+  readonly attribute unsigned long length;
+  getter AudioTrack (unsigned long index);
+  AudioTrack? getTrackById(DOMString id);
+
+  attribute EventHandler onchange;
+  attribute EventHandler onaddtrack;
+  attribute EventHandler onremovetrack;
+};