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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-overflow/scroll-marker-group-add-dynamic-003.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Re-attach ::scroll-marker-group after</title>
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
#scrollable::scroll-marker-group {
display: block;
height: 50px;
}
#scrollable.extra::scroll-marker-group {
display: flex;
}
#scrollable>*::scroll-marker {
display: block;
width: 50px;
height: 50px;
content: "";
background: green;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div style="width:100px; height:100px; background:red;">
<div id="scrollable" style="scroll-marker-group:after; height:50px; overflow:hidden; background:green;">
<div></div>
<div></div>
</div>
</div>
<script>
document.body.offsetTop;
scrollable.className = "extra";
</script>