<!DOCTYPE HTML>
<html>

<head>
  <meta charset="utf-8" />
  <title>transfer size of resource timing when loaded from memory cache.</title>
</head>

<body>
  <script>
    // This function is called from the test in the parent document.
    function getScript(url) {
      const script = document.createElement("script");
      const loaded = new Promise(resolve => {
        script.onload = script.onerror = resolve;
      });
      script.src = url;
      document.body.appendChild(script);
      return loaded;
    }
  </script>
</body>

</html>
