<script>
    if (window.testRunner)
        testRunner.waitUntilDone();
    function runTest()
    {
        document.getElementById("target").innerText += " la";
        if (window.testRunner)
            testRunner.notifyDone();
    }
</script>
<body style="margin: 0;" onload="setTimeout(runTest, 10)">
    <div style="height:200px; width:200px">
      <div style="position:absolute">
        <div id="target">La la la</div>
      </div>
    </div>
</body>