tor-browser

The Tor Browser
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scroll-marker-with-content-visibility-hidden-ancestor-crash.html (1705B)

      1 <!doctype html>
      2 <html class="test-wait">
      3 <meta charset="utf-8">
      4 <title>::scroll-markers with content-visibility: hidden ancestors, getBoundingClientRect crash</title>
      5 <link rel="help" href="https://drafts.csswg.org/css-overflow-5/#scroll-marker-pseudo">
      6 <link rel="help" href="https://crbug.com/398717539">
      7 <link rel="author" href="mailto:vmpstr@chromium.org">
      8 <link rel="assert" content="Test should not crash when interacting with c-v hidden elements with scroll markers">
      9 <style>
     10 #scroller {
     11  position: relative;
     12  width: 500px;
     13  height: 200px;
     14  overflow: auto;
     15  scroll-marker-group: after;
     16  columns: 1;
     17 
     18  &::scroll-marker-group {
     19    height: 20px;
     20    width: 200px;
     21  }
     22 }
     23 
     24 .wrapper {
     25  height: 100%;
     26  content-visibility: hidden;
     27 }
     28 
     29 .item {
     30  width: 100%;
     31  height: 100%;
     32  &::scroll-marker {
     33    display: inline-block;
     34    content: "";
     35    width: 10px;
     36    height: 10px;
     37    border: 1px solid black;
     38    border-radius: 50%;
     39  }
     40 
     41  &::scroll-marker:target-current {
     42    background: blue;
     43  }
     44 }
     45 
     46 </style>
     47 
     48 <div id=scroller>
     49  <div id=w1 class=wrapper><div id=e1 class=item>item 1</div></div>
     50  <div class=wrapper><div class=item>item 2</div></div>
     51  <div class=wrapper><div class=item>item 3</div></div>
     52  <div class=wrapper><div class=item>item 4</div></div>
     53  <div class=wrapper><div class=item>item 5</div></div>
     54 </div>
     55 
     56 <script>
     57 onload = requestAnimationFrame(() => requestAnimationFrame(() => {
     58  e1.getBoundingClientRect();
     59 
     60  requestAnimationFrame(() => {
     61    w1.style.contentVisibility = "visible";
     62    requestAnimationFrame(() => {
     63      w1.style.contentVisibility = "hidden";
     64 
     65      requestAnimationFrame(() => { document.documentElement.className = "" });
     66    });
     67  });
     68 }));
     69 </script>