<!DOCTYPE html>
<style>
body {
height: 2000px;
margin: 0;
overflow: hidden;
padding: 0;
}
.sticky {
width: 200px;
height: 200px;
background-color: green;
display: inline-block;
position: sticky;
top: 0;
}
.block {
width: 200px;
height: 200px;
background-color: red;
}
</style>
<script>
function doTest()
{
window.scrollTo(0, 200);
}
window.addEventListener('load', doTest, false);
</script>
<span class="sticky"></span>
<div class="block"></div>