<html class="reftest-wait">
<head>
<script>
function runtest() {
  var i = document.getElementById("i");
  i.parentNode.style.display = "";
  i.parentNode.style.display = "none";
  document.documentElement.offsetLeft;
  document.documentElement.className = "";
}
</script>
</head>
<body style="display: none;" onload="runtest();">
<iframe id="i" src="data:text/html,text">
</body>
</html>