The MediaStreamTrack.onoverconstrained event handler is a property called when the overconstrained event is received. Such an event is sent when the track is again able to send data.
track.onoverconstrained = function;
function is the name of a user-defined function, without the () suffix or any parameters, or an anonymous function declaration, such as function(event) {...}. An event handler always has one single parameter, containing the event, here of type MediaStreamErrorEvent.dc.onoverconstrained = function(ev) { alert("overconstrained event detected!"); };
| Specification | Status | Comment |
|---|---|---|
| Media Capture and Streams The definition of 'MediaStreamTrack.onoverconstrained' in that specification. | Editor's Draft | Initial specification. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | (Yes) | (Yes) | (Yes) | No support | (Yes) | ? |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | ? | (Yes) | ? | No support | ? | ? |
overconstrained event and its type, MediaStreamErrorEvent.
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https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack/onoverconstrained