js/xpconnect/tests/browser/browser_realm_key_promise_frame.html

   1 <script type="text/javascript">
   2 // Access to the top-level window property before getting access.
   3 // This will create an entry in cross-origin realm map.
   4 try {
   5   window.top.P;
   6 } catch (e) {}
   7
   8 document.domain = "mochi.test";
   9
  10 // Ensure that frame's Object.prototype is accessible from top-level frame
  11 // when getting incumbent global object inside Promise handling.
  12 window.top.P.then(v => {
  13   if (v == 10) {
  14     window.top.document.getElementById("result").textContent = "OK";
  15   }
  16 });
  17 </script>