<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript">
var constraints = { audio: true, video: { width: 1280, height: 720 } };
constraints
navigator.mediaDevices.getUserMedia(constraints)
.then(function(mediaStream) {
var video = document.querySelector('video');
video.srcObject = mediaStream;
video.onloadedmetadata = function(e) {
video.play();
};
})
.catch(function(err) { console.log(err.name + ": " + err.message); });
</script>
</head>
<body>
</body>
</html>
var video = document.querySelector('video');
Простой
Средний
