tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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before-unload-inner.html (702B)

      1 <!DOCTYPE html>
      2 <script src="utils.js"></script>
      3 <title>Fenced frame content to report the beforeunload event is not fired</title>
      4 
      5 <body>
      6 <script>
      7 window.onload = () => {
      8  const [before_unload_key] = parseKeylist();
      9  const url = new URL(location.href);
     10  const next_url = url.searchParams.get('next_url');
     11 
     12  if (next_url != null) {
     13    writeValueToServer(
     14        before_unload_key, 'Loaded the next url in a fenced frame');
     15    return;
     16  }
     17 
     18  window.onbeforeunload = () => {
     19    writeValueToServer(
     20        before_unload_key, 'The beforeunload event is unexpectely fired.');
     21  };
     22 
     23  location.href =
     24      generateURL('before-unload-inner.html?next_url', [before_unload_key]);
     25 };
     26 </script>
     27 </body>