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

 <body>
 <iframe id="i" src="about:blank"></iframe>
 <script>
 window.onorientationchange = function() {
     document.getElementById("i").remove();
 }
 </script>
 </frame>
	<body>
	<iframe id="i" src="about:blank"></iframe>
	<script>
	window.onorientationchange = function() {
	document.getElementById("i").remove();
	}
	</script>
	</frame>