HTMLMediaElement: waitingforkey event
Baseline 2024Newly available
Since November 2024, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The waitingforkey event is fired at a media element when it is first unable to play because it needs a key to decode the following data, and playback is stopped.
If the video frame and/or audio data for the current playback position have been decoded, readyState is set to HAVE_CURRENT_DATA.
Otherwise, including if the data was previously available but isn't anymore, the readyState is set to HAVE_METADATA.
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
js
addEventListener("waitingforkey", (event) => {});
onwaitingforkey = (event) => {};
Event type
An Event.
Specifications
| Specification |
|---|
| Encrypted Media Extensions # dom-htmlmediaelement-onwaitingforkey |