<html class="reftest-wait">
<body style="border:3px solid;" onload="setTimeout(doe, 0)">
<marquee behavior="alternate" scrollamount="100"><span style="background-color: lime;">marquee</span></marquee>
  <script>
    function doe() {
      document.getElementsByTagName('marquee')[0].stop();
      document.documentElement.className = "";
    }
  </script>
</body>
</html>