tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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content-visibility-087.html (848B)


      1 <!doctype HTML>
      2 <html>
      3 <meta charset="utf8">
      4 <title>Content visibility: focus does not target nested c-v: hidden/auto subtree"</title>
      5 <link rel="author" title="Rob Buis" href="mailto:rbuis@igalia.com">
      6 <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility">
      7 <meta name="assert" content="focus does not target nested c-v: hidden/auto subtree">
      8 
      9 <script src="/resources/testharness.js"></script>
     10 <script src="/resources/testharnessreport.js"></script>
     11 
     12 <div style="content-visibility: hidden">
     13  <div style="content-visibility: auto">
     14    <div id="focusable" tabIndex="0">
     15      focusable thing
     16    </div>
     17  </div>
     18 </div>
     19 
     20 <script>
     21 test(() => {
     22  focusable.focus();
     23  assert_not_equals(document.activeElement, focusable);
     24 }, "Trying to focus on an element in a nested hidden/auto subtree will not work");
     25 </script>
     26 </html>