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.
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.
MDN
(Since version 2014-05-28) Navigator.getUserMedia() is deprecated, use Navigator.mediaDevices.getUserMedia() instead.