<html>
  <head>
    <meta charset="utf-8" />
    <title>no title</title>
    <script>
      // If we have a query string, save it to the local storage.
      if (window.location.search.length) {
        const value = window.location.search.substr(1);
        localStorage.setItem("ctx", value);
      }

      // Set the title to reflect the local storage value.
      document.title = "storage=" + localStorage.getItem("ctx");
    </script>
  </head>
  <body></body>
</html>
