chromium/src/third_party/blink/web_tests/http/tests/misc/detach-and-location-change-in-onload.html - manifest_repos/chromium_src - Git at Google

 <body>
 <iframe src="data:text/html,"></iframe>
 <script>
 if (window.testRunner)
     testRunner.dumpAsText();

 window.onload = function() {
     var f = window.frames[0];
     document.body.innerHTML = 'PASS';
     f.location = "about:blank";
 }
 </script>
 </body>
	<body>
	<iframe src="data:text/html,"></iframe>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	window.onload = function() {
	var f = window.frames[0];
	document.body.innerHTML = 'PASS';
	f.location = "about:blank";
	}
	</script>
	</body>