<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<script>
function scrollTo(v) {
var d = document.getElementById("d");
d.scrollTop = v;
if (v < 100) {
setTimeout(function() { scrollTo(v + 50); }, 400);
} else {
document.documentElement.removeAttribute("class");
}
}
</script>
</head>
<body onload="scrollTo(0)">
<div style="border-radius:100px; width:300px; height:300px; overflow:hidden;" id="d">
<div style="height:1000px;">
<div style="margin-top:100px; height:20px; background:blue;"></div>
</div>
</div>
</body>
</html>