tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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svg.html (544B)

      1 <!DOCTYPE html>
      2 <div id="main">
      3  <svg viewBox="0 0 10 10">
      4    <defs>
      5      <circle id="myCircle" cx="5" cy="5" r="4" stroke="blue" />
      6    </defs>
      7    <use id="circle" href="#myCircle" fill="green" />
      8  </svg>
      9 </div>
     10 <script>
     11  const observer = new PerformanceObserver(list => {
     12    const fcp = list.getEntriesByName("first-contentful-paint");
     13    if (!fcp.length)
     14      return;
     15 
     16    // Message the parent when FCP has been reached.
     17    parent.postMessage("GotFCP", '*');
     18  });
     19  observer.observe({ type: "paint", buffered: true });
     20 </script>