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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/anchor-center-scroll-002.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html class=reftest-wait>
<title>CSS Anchor Positioning Test: anchor-center after scroll</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#anchor-center">
<link rel="author" href="mailto:dshin@mozilla.com">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
.abs-cb {
width: 100px;
height: 100px;
position: relative;
background: red;
}
.scroller {
overflow: scroll;
scrollbar-width: none;
width: 100%;
height: 100%;
}
.content {
display: grid;
align-items: end;
justify-items: end;
width: 200px;
height: 200px;
}
.anchor {
anchor-name: --a;
background: red;
width: 100px;
height: 100px;
}
.positioned {
position: absolute;
background: green;
position-anchor: --a;
width: 100px;
height: 100px;
justify-self: anchor-center;
align-self: anchor-center;
}
.dn {
display: none;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class=abs-cb>
<div id=s class=scroller>
<div class=content>
<div class=anchor></div>
</div>
</div>
<div id=d class="positioned dn"></div>
</div>
<script>
function raf() {
return new Promise(resolve => requestAnimationFrame(resolve));
}
async function run() {
await raf();
await raf();
s.scrollLeft = 100;
s.scrollTop = 100;
d.classList.toggle('dn');
document.documentElement.classList.remove('reftest-wait');
}
run();
</script>
</html>