MediaStreamTrack - Web APIs
the track ends (when the value readystate changes to ended). also available using the onended event handler property. mute sent to the mediastreamtrack when the value of the muted property is changed to true, indicating that the track is unable to provide data temporarily (such as when the network is experiencing a service malfunction). also available using the onmute event handler property. isolationchange sent whenever the value of the isolated property changes due to the document gaining or losing permission to access the track. also available through the onisolationchange event handler property. overconstrained sent when the constraints specified for the track cause the track to be incompatible and therefore to not be used. also available through the onoverconstrained event handler proper...

RTCPeerConnection - Web APIs
oniceconnectionstatechange event handler property. icegatheringstatechange sent to the rtcpeerconnection when the ice layer's gathering state, reflected by icegatheringstate, changes. this indicates whether ice negotiation has not yet begun (new), has begun gathering candidates (gathering), or has completed (complete). also available using the onicegatheringstatechange event handler property. isolationchange sent to the rtcpeerconnection when the isolated property on one of the mediastreamtrack objects associated with the connection changes value. a track is isolated if its content cannot be accessed by the owning document due to lack of authentication or if the track comes from a cross-origin source. also available through the onisolationchange event handler property. negotiationneeded sent to t...