Revision control
Copy as Markdown
Other Tools
<!doctype html>
<meta charset="utf-8">
<title>::scroll-markers with content-visibility: auto ancestors and subscrollers (ref)</title>
<link rel="author" href="mailto:vmpstr@chromium.org">
<style>
#scroller {
width: 600px;
height: 300px;
overflow: scroll;
scroll-marker-group: after;
}
.subscroller {
scroll-marker-group: after;
overflow: scroll;
width: 600px;
height: 100px;
}
.cv-placeholder {
contain: strict;
width: 100px;
height: 100px;
}
#scroller::scroll-marker-group {
border: 3px solid black;
padding: 5px;
height: 20px;
display: block;
}
.item {
height: 200px;
}
.item::scroll-marker {
content: "";
width: 10px;
height: 10px;
background-color: blue;
border-radius: 50%;
display: inline-block;
}
.spacer {
height: 10000px;
}
</style>
<div id="scroller">
<div class=cv-placeholder>
<div class=subscroller>
<div class=item></div> <div class=item></div> <div class=item></div>
</div>
</div>
<div class=item></div> <div class=item></div> <div class=item></div>
<div class=spacer></div>
<div class=cv-placeholder>
<div class=subscroller>
<div class=item></div> <div class=item></div> <div class=item></div>
</div>
</div>
</div>