MediaStreamTrack.onoverconstrained - Web APIs 编辑

Deprecated

This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

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.

Syntax

track.onoverconstrained = function;

Values

• 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.

Example

dc.onoverconstrained = function() { alert("overconstrained event detected!"); };

Browser compatibility

BCD tables only load in the browser

See also

• The overconstrained event and its type, MediaStreamErrorEvent.