dom/base/crashtests/1681729.html

   1 <html class="reftest-wait">
   2 <head>
   3 <script>
   4   async function test() {
   5     // We need to go through the event loop first, so we're running this from
   6     // a timeout set from the load event. If we were adding a load from the load
   7     // event directly we'd just replace the iframe's session history entry
   8     // instead of cloning it (and replacing its children).
   9     let frame = document.getElementById("frame");
  10
  11     let p = new Promise((r) => {
  12       frame.addEventListener("load", r, { once: true });
  13     });
  14     frame.src = "1681729-inner2.html";
  15     await p;
  16
  17     p = new Promise((r) => {
  18       frame.contentWindow.addEventListener("pageshow", r, { once: true });
  19     });
  20     history.back();
  21     await p;
  22
  23     document.documentElement.removeAttribute("class");
  24   }
  25 </script>
  26 </head>
  27 <body onload="setTimeout(test, 0);">
  28 <iframe id="frame" src="1681729-inner1.html"></iframe>
  29 </body>
  30 </html>