<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width" />
    <title>Camera Example</title>
    <script src="main.js" defer></script>
  </head>
  <body>
    <video autoplay></video>
    <input type="button" value="Capture" />
  </body>
</html>