1<html> 2 3<head><title>Post message subframe tests</title> 4<script> 5 function postToOpenerFrame(msg, origin) { 6 window.opener.frames[0][1].postMessage(msg, origin); 7 return true; 8 } 9 10 window.addEventListener("message", messageReceived, false); 11 12 function messageReceived(event) { 13 // Change the title to generate a notification. 14 document.title = event.data; 15 } 16</script> 17</head> 18 19<iframe id="frame1" src="frame_tree/1-1.html"></iframe> 20 21</html> 22