Web/API/MediaStreamTrack/readyState

The MediaStreamTrack.readyState read-only property returns an enumerated value giving the status of the track.

Syntax

const state = track.readyState

Value

It takes one of the following values:

• "live" which indicates that an input is connected and does its best-effort in providing real-time data. In that case, the output of data can be switched on or off using the MediaStreamTrack.enabled property.
• "ended" which indicates that the input is not giving any more data and will never provide new data. 

Specifications

Specification	Status	Comment
Media Capture and StreamsThe definition of 'MediaStreamTrack.readyState' 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
readyState	Chrome Full support Yes	Edge Full support 12	Firefox Full support 50	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 50	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

• Media Stream API
• WebRTC
• MediaStreamTrack.onended

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