chromium/src/third_party/blink/web_tests/http/tests/security/postMessage/resources/javascript-post-message-sender.html - manifest_repos/chromium_src - Git at Google

 <!DOCTYPE html>
 <html>
 <body onload="nav()">
 <script>
 function nav() {
     var url = "javascript:'<script>" +
       "top.postMessage(\"Hello from child\", \"*\");" +
       "document.write(\"Message sent\");" +
       "</scri" + "pt>'";

     window.location.href = url;
 }
 </script>
 Sending...
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body onload="nav()">
	<script>
	function nav() {
	var url = "javascript:'<script>" +
	"top.postMessage(\"Hello from child\", \"*\");" +
	"document.write(\"Message sent\");" +
	"</scri" + "pt>'";

	window.location.href = url;
	}
	</script>
	Sending...
	</body>
	</html>