LayoutTests/requestidlecallback/resources/page-cache-helper.html - external/github.com/WebKit/webkit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <script>

 window.onload = () => {
     requestIdleCallback(() => {
         setTimeout(() => {
             history.back();
         }, 0);
     });
 }

 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script>

	window.onload = () => {
	requestIdleCallback(() => {
	setTimeout(() => {
	history.back();
	}, 0);
	});
	}

	</script>
	</body>
	</html>