tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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first-letter-inside-before-pseudo.html (675B)

      1 <!DOCTYPE html>
      2  <link rel="author" title="Chris Harrelson" href="mailto:chrishtr@chromium.org">
      3  <meta name="assert" content="Test that the browser doesn't crash when a first-letter pseudo-element toggles visiblity as a child of a before pseudo-element.">
      4 <style>
      5  .btn-text::before {
      6    content: "a";
      7    visibility: hidden;
      8  }
      9 
     10  .btn-text.visible::before {
     11    visibility: visible;
     12  }
     13 
     14  #problem::first-letter {
     15    text-transform: none;
     16  }
     17 </style>
     18 <div id="problem">
     19  <span class="btn-text"></span>
     20 </div>
     21 <script>
     22  requestAnimationFrame(() => requestAnimationFrame(() => {
     23    document.querySelector('.btn-text').classList.toggle('visible')
     24  }));
     25 </script>