| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <html> | |
| <title>Page Title</title> | |
| <body> | |
| <script> | |
| var url = new URL(window.location) | |
| var delay = parseInt(url.searchParams.get("delay")) | |
| function delayed_animation_frame(timestamp) { | |
| // Delay an amount of time in ms indicated by the query param. | |
| var start = performance.now(); | |
| while ((performance.now() - start) <= delay); | |
| window.domAutomationController.send("RAF DONE"); | |
| } | |
| window.requestAnimationFrame(delayed_animation_frame); | |
| </script> | |
| </body> | |
| </html> |