Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>CSS Position Test Reference: Test position:sticky element with large top in an overflow scroll container</title>
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<style>
.scroll {
border: 5px solid blue;
overflow: auto;
height: 200px;
width: 200px;
position: relative;
}
.block {
width: 100%;
height: 200px;
background: yellow;
position: absolute;
top: 50px;
}
.sticky {
position: absolute;
background: purple;
width: 50px;
height: 50px;
top: 200px;
z-index: 1;
}
</style>
<script>
function runTest() {
document.getElementById("scroll2").scrollTop = 50;
}
</script>
<body onload="runTest();">
<div class="scroll">
<div class="sticky"></div>
<div class="block"></div>
</div>
<div class="scroll" id="scroll2">
<div class="sticky"></div>
<div class="block"></div>
</div>
</body>
</html>