tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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iframe-append.https.html (706B)

      1 <!DOCTYPE html>
      2 <html class="test-wait">
      3 <meta charset="utf-8">
      4 <iframe id="id_0"></iframe>
      5 <script>
      6  /** @param {HTMLIFrameElement} iframe */
      7  function waitForLoad(iframe) {
      8    // iframe is initialized immediately on Chrome while it needs some time on Firefox
      9    if (iframe.contentDocument.readyState === "complete") {
     10      return;
     11    }
     12    return new Promise(r => iframe.onload = r);
     13  }
     14 
     15  const iframe = document.getElementById("id_0");
     16  iframe.contentWindow.navigator.locks.request("weblock_0", async () => {
     17    await waitForLoad(iframe);
     18    document.body.append(iframe); // discards the document and destroys locks
     19    document.documentElement.classList.remove("test-wait");
     20  });
     21 </script>