Web/API/MediaStreamTrack/onunmute

MediaStreamTrack's onunmute event handler is called when the unmute event is received. Such an event is sent when the track is again able to send data.

When the onunmute event handler is called, the track's muted flag is false.

Syntax

track.onunmute = unmuteHandler;

Value

unmuteHandler is a function which is called when the MediaStreamTrack receives the unmute event. The event handler receives as input a single parameter: an Event whose kind is "unmute".

Example

This example creates an unmute event handler which changes the state of a visual indicator to display the Emoji character representing a "speaker" icon.

myTrack.onunmute = function(evt) {
  playStateIcon.innerHTML = "🔈";
};

Specifications

Specification	Status	Comment
Media Capture and StreamsThe definition of 'MediaStreamTrack.onunmute' in that specification.	Candidate Recommendation	Initial specification.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
onunmute	Chrome Full support Yes	Edge Full support 12	Firefox Full support 59	IE No support No	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 59	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes

Legend

Full support  

Full support

No support  

No support

See also

• The unmute event and its type, Event.
• MediaStreamTrack.muted to determine if a track is currently muted
• MediaStreamTrack.onmute, the event handler for the mute event.

MediaStreamTrack.onunmute by Mozilla Contributors is licensed under CC-BY-SA 2.5.