checkMediaDevices = {
if (navigator.mediaDevices.getUserMedia) {
navigator.mediaDevices.getUserMedia({video: true})
.then(function(stream) {
video.srcObject = stream;
mutable capabilities = stream.getVideoTracks()[0].getCapabilities();
})
.catch(function(err0r) {
mutable capabilities = "No Video Camera";
});
return "OK"
}
return "navigator does not support mediaDevices"
}