tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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intersectionobserver_cross_domain_iframe.html (563B)

      1 <!DOCTYPE HTML>
      2 <html>
      3 <head>
      4 <style>
      5 #target5 {
      6        position: absolute;
      7        top: 0px;
      8        left: 0px;
      9        width: 20px;
     10        height: 20px;
     11        background: #f00;
     12 }
     13 </style>
     14 <body>
     15 <div id="target5"></div>
     16 <script>
     17        var io = new IntersectionObserver(function (records) {
     18                console.log(records[0].rootBounds, location.href);
     19                window.parent.postMessage(records[0].rootBounds == null, 'http://mochi.test:8888');
     20        }, {});
     21        io.observe(document.getElementById("target5"));
     22 </script>
     23 </body>
     24 </html>