The read-only RTCRtpTransceiver interface's mid property specifies the negotiated media ID (mid) which the local and remote peers have agreed upon to uniquely identify the stream's pairing of sender and receiver.
Syntax
var mediaID = RTCRtpTransceiver.mid;
Value
A DOMString which uniquely identifies the pairing of source and destination of the transceiver's stream. Its value is taken from the media ID of the SDP m-line. This value is null if negotiation has not completed.
Specifications
| Specification | Status | Comment |
|---|---|---|
| WebRTC 1.0: Real-time Communication Between Browsers The definition of 'RTCRtpTransceiver.mid' in that specification. |
Candidate Recommendation |
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.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
mid | Chrome Full support 69 | Edge No support No | Firefox Full support 59 | IE No support No | Opera No support No | Safari Full support Yes | WebView Android Full support 69 | Chrome Android Full support 69 | Firefox Android Full support 59 | Opera Android No support No | Safari iOS Full support Yes | Samsung Internet Android Full support 10.0 |
Legend
- Full support
- Full support
- No support
- No support
