tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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shadow-fallback-dynamic-002.html (712B)

      1 <!doctype html>
      2 <title>CSS Scoping Module Level 1 - Dynamic fallback content</title>
      3 <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
      4 <link rel="help" href="https://drafts.csswg.org/css-scoping/#selectors-data-model">
      5 <link rel="match" href="reference/green-box.html"/>
      6 <p>Test passes if you see a single 100px by 100px green box below.</p>
      7 <div id="host">
      8  <span slot="myslot">FAIL</span>
      9 </div>
     10 <script>
     11  let root = host.attachShadow({ mode: "open" });
     12  root.innerHTML = `
     13    <slot name="myslot">
     14      <div style="width: 100px; height: 100px; background: green"></div>
     15    </slot>
     16  `;
     17  document.body.offsetTop;
     18  host.firstElementChild.removeAttribute("slot");
     19 </script>