pt>
      // set the iframe URL
      let encodedUrl = encodeURIComponent(
        window.location.protocol +
          "//" +
          window.location.host +
          "/examples/{{ example.name }}/data.rrd",
      );
      document.getElementById("iframe").src =
        "http://127.0.0.1:9090/?url=" + encodedUrl;
    </script>
  </body>
</html>
