Navigator.mediaDevices - Web APIs 编辑

The Navigator.mediaDevices read-only property returns a MediaDevices object, which provides access to connected media input devices like cameras and microphones, as well as screen sharing.

Syntax

var mediaDevices = navigator.mediaDevices;

Return value

The MediaDevices singleton object. Usually, you just use this object's members directly, such as by calling navigator.mediaDevices.getUserMedia().

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Media Capture and Streams API: The entry point to the documentation about the entire media stream API.
• WebRTC API: Documentation about the WebRTC API, which is closely related.