chromium/src/third_party/blink/web_tests/http/tests/broadcastchannel/broadcast-channel-construct-in-detached-window.html - manifest_repos/chromium_src - Git at Google

 <body>
 PASS if no crash.
 <iframe id="i" src="about:blank"></iframe>
 <script>
 if (window.testRunner)
   testRunner.dumpAsText();

 var i_bc = i.contentWindow.BroadcastChannel;
 i.remove();
 new i_bc("crash");
 </script>
 </body>
	<body>
	PASS if no crash.
	<iframe id="i" src="about:blank"></iframe>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	var i_bc = i.contentWindow.BroadcastChannel;
	i.remove();
	new i_bc("crash");
	</script>
	</body>