test-write-and-notify.https.html

Enable keyboard shortcuts

<!doctype html>

<html>

  <head>

    <script

      src="test-write-and-notify.js"

      type="application/javascript"

    ></script>

  </head>

  <title>Creating database</title>

  <body style="background-color: rgb(251, 255, 0)">

    <script>

      const params = new URL(window.location.href).searchParams;

      const id = params.get("id");

      console.log("Write window frame id " + id);

      window.parent.postMessage(

        { id, message: "write loaded" },

        document.referrer

);

    </script>

  </body>

</html>