Search notes:

CustomElementRegistry

CustomElementRegistry is an experimental interface.

<!DOCTYPE html>
<html>
<head>
  <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
  <title>CustomElementRegistry</title>

  <script>

    class tq84 extends HTMLElement {
       constructor() {
           alert ('tq84 ctor');
       }
    }

    function main() {
       customElements.define('tq-84', tq84);
    }

  </script>
</head>
<body onload='main()'>

   <p>&lt;tq-84&gt; follows:</p>

   <tq-84>
   </tq-84>

</body>
</html>

CustomElementRegistry

See also