| <!DOCTYPE html> | |
| <script> | |
| function runRaf(countdown) { | |
| countdown--; | |
| if (countdown > 0) | |
| requestAnimationFrame(function() { runRaf(countdown); }); | |
| } | |
| requestAnimationFrame(function() { runRaf(5); }); | |
| requestAnimationFrame(function() { runRaf(10); }); | |
| </script> | |
| <div>Main frame</div> | |
| <iframe src="data:text/html,Test page"></iframe> |