chromium/src/third_party/blink/renderer/core/testing/data/postmessage_test.html - manifest_repos/chromium_src - Git at Google

 <html>
 <head>
 <title>PostMessage Test</title>
 <script>
 var messagesReceived = 0;
 window.addEventListener("message", messageReceived, false);
 function messageReceived(event) {
   messagesReceived++;
   document.body.appendChild(document.createTextNode('Message ' + messagesReceived + '.'));
 }
 </script>
 </head>
 <body>
 Test page.
 </body>
 </html>
	<html>
	<head>
	<title>PostMessage Test</title>
	<script>
	var messagesReceived = 0;
	window.addEventListener("message", messageReceived, false);
	function messageReceived(event) {
	messagesReceived++;
	document.body.appendChild(document.createTextNode('Message ' + messagesReceived + '.'));
	}
	</script>
	</head>
	<body>
	Test page.
	</body>
	</html>