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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/anchor-scroll-overflow-hidden.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Basic of anchor positioned scrolling: anchored elements should be "pinned" to the anchor when anchor is scrolled in overflow:hidden</title>
<link rel="match" href="anchor-scroll-overflow-hidden-ref.html">
<link rel="stylesheet" href="/fonts/ahem.css">
<style>
body {
font: 20px/1 Ahem;
margin: 0;
}
#scroll-container {
width: 400px;
height: 400px;
overflow: hidden;
}
#scroll-contents {
width: 1000px;
height: 1000px;
}
#placefiller-above-anchor {
height: 500px;
}
#placefiller-before-anchor {
display: inline-block;
width: 500px;
}
#anchor {
anchor-name: --anchor;
}
#inner-anchored {
color: green;
position: absolute;
left: anchor(left);
bottom: anchor(top);
position-anchor: --anchor;
}
#outer-anchored {
color: yellow;
position: absolute;
left: anchor(left);
top: anchor(bottom);
position-anchor: --anchor;
}
</style>
<div id="scroll-container">
<div id="scroll-contents">
<div id="placefiller-above-anchor"></div>
<div id="placefiller-before-anchor"></div>
<span id="anchor">anchor</span>
<div id="inner-anchored">inner-anchored</div>
</div>
</div>
<div id="outer-anchored">outer-anchored</div>
<script>
const scroller = document.getElementById('scroll-container');
scroller.scrollTop = 300;
scroller.scrollLeft = 450;
</script>