<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>Stream API</title>
  <script>
    async function initiate() {
      const video = document.getElementById("media");
      try {
        const stream = await navigator.mediaDevices.getUserMedia({video: true});
        video.srcObject = stream;
        video.play();
      } catch (error) {
        console.log("Error: " + error.name);
      }
    }
    window.addEventListener("DOMContentLoaded", initiate);
  </script>
</head>
<body>
  <section>
    <video id="media"></video>
  </section>
</body>
</html>