<!DOCTYPE html>
<html>
<head>
<style>
body {
margin: 0;
height: 2000px;
overflow: hidden; /* hide scrollbars */
}
.group {
display: inline-block;
position: relative;
width: 250px;
height: 500px;
}
.container {
width: 200px;
height: 400px;
outline: 2px solid black;
}
.box {
width: 200px;
height: 200px;
}
.sticky {
position: sticky;
top: 100px;
background-color: silver;
}
.child {
position: absolute;
background-color: green;
top: 50px;
left: 50px;
}
.indicator {
position: absolute;
top: 250px;
left: 50px;
background-color: red;
}
</style>
<script>
function doTest()
{
window.scrollTo(0, 100);
}
window.addEventListener('load', doTest, false);
</script>
</head>
<body>
<div class="group">
<div class="indicator box"></div>
<div class="container">
<div class="sticky box">
<div class="child box"></div>
</div>
</div>
</div>
</body>
</html>