Codebase Browser
chromium
Go to App

chromium/third_party/blink/web_tests/external/wpt/css/css-anchor-position/position-visibility-anchors-visible-position-fixed-ref.html 

<!DOCTYPE html>
<meta charset="utf-8">

<!-- This test passes if both the anchor and anchored elements are hidden. -->
<div style="height: 200vh;"></div>

<script>
  window.scrollTo(0, 100);
</script>