tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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modulepreload-iframe.html (593B)

      1 <!DOCTYPE html>
      2 <body>
      3    <script>
      4        const m = new URL('module1.js', location.href).toString();
      5        const observer = new PerformanceObserver(l => {
      6            const entries = l.getEntriesByName(m);
      7            if (entries.length === 1) {
      8                import(m).then(() => {
      9                    observer.disconnect();
     10                    const all = performance.getEntriesByName(m);
     11                    window.parent.postMessage(all.length, '*');
     12                });
     13            }
     14        });
     15 
     16        observer.observe({type: 'resource', buffered: true});
     17 
     18 
     19    </script>
     20 </body>