third_party/web_platform_tests/html/browsers/browsing-the-web/unloading-documents/navigation-within-beforeunload-1.html - cobalt - Git at Google

 <!doctype html>
 004-1
 <script>
 addEventListener("beforeunload",
 function() {
 if (top.counter++ < 999) {
   location = "navigation-within-beforeunload-2.html?" + top.counter;
 }
 }, false);
 </script>
	<!doctype html>
	004-1
	<script>
	addEventListener("beforeunload",
	function() {
	if (top.counter++ < 999) {
	location = "navigation-within-beforeunload-2.html?" + top.counter;
	}
	}, false);
	</script>