chromium/src/third_party/blink/web_tests/fast/parser/javascript-url-compat-mode.html - manifest_repos/chromium_src - Git at Google

 <script>
 if (window.testRunner) {
     testRunner.dumpAsText();
     testRunner.dumpChildFrames();
 }
 </script>
 <iframe src="javascript:'<HTML><BODY><script>document.write(document.compatMode)</script></BODY></HTML>'"></iframe>
	<script>
	if (window.testRunner) {
	testRunner.dumpAsText();
	testRunner.dumpChildFrames();
	}
	</script>
	<iframe src="javascript:'<HTML><BODY><script>document.write(document.compatMode)</script></BODY></HTML>'"></iframe>