gum_advanced_bug.html

<html>
<meta charset=utf-8>
<div id="div"></div>
<video id="video" width="320" height="200" autoplay></video><br>
<script>
const console = { log: msg => div.innerHTML += msg + "<br>" };

(async () => {
  try {
    video.srcObject = await navigator.mediaDevices.getUserMedia({
      video: {
        advanced: [
          {width: 1280},
          {height: 720},
          {width: 1024},
          {height: 576},
          {width: 640},
          {height: 360}
        ]
      }
    });

  } catch (e) {
    console.log(e);
  }
})();

</script>
</html>