position-sticky-scroll-with-clip-and-abspos.html

<!DOCTYPE html>
<html class="reftest-wait">
<meta charset="utf-8">
<title>position:sticky should operate correctly</title>
<link rel="author" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
<meta name="assert" content="This test checks that the combination of position:sticky, overflow clip, and out-of-flow descendants are properly displayed when scrolled" />
<link rel="match"  href="position-sticky-scroll-with-clip-and-abspos-ref.html">

<div style="position: fixed;">There should be text visible below.</div>
<div style="height: 200px;width:600px;position: sticky;top: 0px;">
  <div style="position: relative;top: 100px;">
    <div style="height: 150px;width: 500px;position: absolute;backface-visibility: hidden;background: white;">
    </div>
    <div style="overflow: hidden;">
       <a style="position: relative;">THIS SHOULD STAY VISIBLE<BR>IF YOU SCROLL DOWN</a>
    </div>
  </div>
</div>
<div style="height: 2000px;">
</div>
<script>
  window.onload = function() {
    requestAnimationFrame(() => {
        requestAnimationFrame(() => {
          window.scrollTo(0,300);
          document.documentElement.classList.remove("reftest-wait");
        });
      });
  };
</script>
</html>

chromium/third_party/blink/web_tests/external/wpt/css/css-position/sticky/position-sticky-scroll-with-clip-and-abspos.html