Promise-incumbent-global-subframe.sub.html (430B)
1 <!DOCTYPE html> 2 <iframe src="{{location[scheme]}}://{{domains[www2]}}:{{ports[http][0]}}{{location[path]}}/../Promise-incumbent-global-subsubframe.sub.html"></iframe> 3 <script> 4 document.domain = "{{host}}"; 5 onmessage = function(e) { 6 if (e.data == "start") { 7 frames[0].Promise.resolve().then(frames[0].postMessage.bind(frames[0], "start", "*")); 8 } else { 9 parent.postMessage(e.data, "*"); 10 } 11 } 12 </script>