AudioTrackList.onremovetrack - Web APIs
the audiotracklist onremovetrack event handler is called when the removetrack event occurs, indicating that an audio track has been removed from the media element, and therefore also from the audiotracklist.
... syntax audiotracklist.onremovetrack = eventhandler; value set onremovetrack to a function that accepts as input a trackevent object which indicates in its track property which audio track has been removed from the media element.
... document.queryselector("my-video").audiotracks.onremovetrack = function(event) { mytrackcount = document.queryselector("my-video").audiotracks.length; }; the current number of audio tracks remaining in the media element is obtained from audiotracklist property length.
...And 2 more matches

TextTrackList.onremovetrack - Web APIs
the texttracklist onremovetrack event handler is called when the removetrack event occurs, indicating that a text track has been removed from the media element, and therefore also from the texttracklist.
... syntax texttracklist.onremovetrack = eventhandler; value set onremovetrack to a function that accepts as input a trackevent object which indicates in its track property which text track has been removed from the media element.
... document.queryselectorall("video, audio")[0].texttracks.onremovetrack = function(event) { mytrackcount = document.queryselectorall("video, audio")[0].texttracks.length; }; the current number of text tracks remaining in the media element is obtained from texttracklist property length.
... specifications specification status comment html living standardthe definition of 'texttracklist: onremovetrack' in that specification.

VideoTrackList.onremovetrack - Web APIs
the videotracklist onremovetrack event handler is called when the removetrack event occurs, indicating that a video track has been removed from the media element, and therefore also from the videotracklist.
... syntax videotracklist.onremovetrack = eventhandler; value set onremovetrack to a function that accepts as input a trackevent object which indicates in its track property which video track has been removed from the media element.
... document.queryselector("my-video").videotracks.onremovetrack = function(event) { mytrackcount = document.queryselector("my-video").videotracks.length; }; the current number of video tracks remaining in the media element is obtained from videotracklist property length.
... specifications specification status comment html living standardthe definition of 'videotracklist: onremovetrack' in that specification.

MediaStream.onremovetrack - Web APIs
the mediastream.onremovetrack property is an eventhandler which specifies a function to be called when the removetrack event occurs on a mediastream instance.
... syntax mediastream.onremovetrack = eventhandler; value this should be set to a function which you provide that accepts as input a mediastreamtrackevent object representing the removetrack event which has occurred.
... stream.onremovetrack = function(event) { let tracklist = document.getelementbyid("tracks"); let label = document.createelement("li"); label.innerhtml = "removed: " + event.track.kind + ": " + event.track.label; tracklist.appendchild(label); }; specifications specification status comment media capture and streamsthe definition of 'mediastream.onremovetrack' in that specification.

AudioTrackList - Web APIs
onremovetrack an event handler to call when the removetrack event is sent, indicating that an audio track has been removed from the media element.
... also available via the onremovetrack property.
...see onaddtrack and onremovetrack for details and examples.
... audiotracks.onaddtrack = updatetrackcount; audiotracks.onremovetrack = updatetrackcount; function updatetrackcount(event) { trackcount = audiotracks.length; drawtrackcountindicator(trackcount); } specifications specification status comment html living standardthe definition of 'audiotracklist' in that specification.

Index - Web APIs
198 audiotracklist.onremovetrack api, audio, audiotracklist, event handler, html dom, media, property, reference, removing audio tracks, removing tracks, onremovetrack, remove, removetrack, track the audiotracklist onremovetrack event handler is called when the removetrack event occurs, indicating that an audio track has been removed from the media element, and therefore also from the audiotracklist.
... 2438 mediastream.onremovetrack api, event handler, media streams api, mediastream, property, reference, onremovetrack the mediastream.onremovetrack property is an eventhandler which specifies a function to be called when the removetrack event occurs on a mediastream instance.
... 4250 texttracklist.onremovetrack api, event handler, html dom, media, property, reference, removing tracks, texttrack, texttracklist, videotracklist, onremovetrack, remove, removetrack, track the texttracklist onremovetrack event handler is called when the removetrack event occurs, indicating that a text track has been removed from the media element, and therefore also from the texttracklist.
... 4535 videotracklist.onremovetrack api, event handler, html dom, media, property, reference, removing tracks, removing video tracks, video, videotracklist, onremovetrack, remove, removetrack, track the videotracklist onremovetrack event handler is called when the removetrack event occurs, indicating that a video track has been removed from the media element, and therefore also from the videotracklist.

TextTrackList - Web APIs
onremovetrack an event handler to call when the removetrack event is sent, indicating that a text track has been removed from the media element.
... also available via the onremovetrack property.
...see onaddtrack and onremovetrack for details and examples.
... texttracks.onaddtrack = updatetrackcount; texttracks.onremovetrack = updatetrackcount; function updatetrackcount(event) { trackcount = texttracks.length; drawtrackcountindicator(trackcount); } specifications specification status comment html living standardthe definition of 'textracklist' in that specification.

VideoTrackList - Web APIs
onremovetrack an event handler to call when the removetrack event is sent, indicating that a video track has been removed from the media element.
... also available via the onremovetrack property.
...see onaddtrack and onremovetrack for details and examples.
... videotracks.onaddtrack = updatetrackcount; videotracks.onremovetrack = updatetrackcount; function updatetrackcount(event) { trackcount = videotracks.length; drawtrackcountindicator(trackcount); } specifications specification status comment html living standardthe definition of 'videotracklist' in that specification.

Signaling and video calling - Web APIs
{ urls: "stun:stun.stunprotocol.org" } ] }); mypeerconnection.onicecandidate = handleicecandidateevent; mypeerconnection.ontrack = handletrackevent; mypeerconnection.onnegotiationneeded = handlenegotiationneededevent; mypeerconnection.onremovetrack = handleremovetrackevent; mypeerconnection.oniceconnectionstatechange = handleiceconnectionstatechangeevent; mypeerconnection.onicegatheringstatechange = handleicegatheringstatechangeevent; mypeerconnection.onsignalingstatechange = handlesignalingstatechangeevent; } when using the rtcpeerconnection() constructor, we will specify an rtcconfiguration-compliant object providing configuration...
... rtcpeerconnection.onremovetrack this counterpart to ontrack is called to handle the removetrack event; it's sent to the rtcpeerconnection when the remote peer removes a track from the media being sent.
... ending the call the closevideocall() function, shown below, is responsible for stopping the streams, cleaning up, and disposing of the rtcpeerconnection object: function closevideocall() { var remotevideo = document.getelementbyid("received_video"); var localvideo = document.getelementbyid("local_video"); if (mypeerconnection) { mypeerconnection.ontrack = null; mypeerconnection.onremovetrack = null; mypeerconnection.onremovestream = null; mypeerconnection.onicecandidate = null; mypeerconnection.oniceconnectionstatechange = null; mypeerconnection.onsignalingstatechange = null; mypeerconnection.onicegatheringstatechange = null; mypeerconnection.onnegotiationneeded = null; if (remotevideo.srcobject) { remotevideo.srcobject.gettracks().foreach(track => ...

MediaStream - Web APIs
mediastream.onremovetrack an eventhandler containing the action to perform when a removetrack event is fired when a mediastreamtrack object is removed from it.
... also available via the onremovetrack property.

AudioTrackList: removetrack event - Web APIs
bubbles no cancelable no interface trackevent event handler property onremovetrack examples using addeventlistener(): const videoelement = document.queryselector('video'); videoelement.audiotracks.addeventlistener('removetrack', (event) => { console.log(`audio track: ${event.track.label} removed`); }); using the onremovetrack event handler property: const videoelement = document.queryselector('video'); videoelement.audiotracks.onremovetrack = (event) => { console.log(`audio track: ${event.track.label} removed`); }; specifications specification status html living standardthe definition of 'removetrack' in that specification.

MediaDevices - Web APIs
selector('video'); var constraints = window.constraints = { audio: false, video: true }; var errorelement = document.queryselector('#errormsg'); navigator.mediadevices.getusermedia(constraints) .then(function(stream) { var videotracks = stream.getvideotracks(); console.log('got stream with constraints:', constraints); console.log('using video device: ' + videotracks[0].label); stream.onremovetrack = function() { console.log('stream ended'); }; window.stream = stream; // make variable available to browser console video.srcobject = stream; }) .catch(function(error) { if (error.name === 'constraintnotsatisfiederror') { errormsg('the resolution ' + constraints.video.width.exact + 'x' + constraints.video.height.exact + ' px is not supported by your device.'); } else if...

MediaStream: removetrack event - Web APIs
bubbles no cancelable no interface mediastreamtrackevent event handler property onremovetrack examples using addeventlistener(): let stream = new mediastream(); stream.addeventlistener('removetrack', (event) => { console.log(`${event.track.kind} track removed`); }); using the onremovetrack event handler property: let stream = new mediastream(); stream.onremovetrack = (event) => { console.log(`${event.track.kind} track removed`); }; specifications specification status media capture and streamsthe definition of 'removetrack' in that specification.

RTCPeerConnection.onremovestream - Web APIs
the removestream event has been removed from the webrtc specification in favor of the existing removetrack event on the remote mediastream and the corresponding mediastream.onremovetrack event handler property of the remote mediastream.

RTCPeerConnection: removestream event - Web APIs
bubbles no cancelable no interface mediastreamevent event handler property rtcpeerconnection.onremovestream important: this event has been removed from the webrtc specification in favor of the existing removetrack event on the remote mediastream and the corresponding mediastream.onremovetrack event handler property of the remote mediastream.