| <!doctype HTML> | |
| <div id=target style="width: 200px; height: 200px; overflow-y: scroll; border-radius: 5px"> | |
| <div style="width: 100px; height: 100px; background: lightblue; will-change: transform;"></div> | |
| <div style="width: 100px; height: 300px;"></div> | |
| </div> | |
| <script> | |
| if (window.testRunner) | |
| window.testRunner.waitUntilDone(); | |
| onload = function() { | |
| requestAnimationFrame(() => | |
| requestAnimationFrame(() => { | |
| target.scrollBy(0, 50); | |
| if (window.testRunner) | |
| window.testRunner.notifyDone(); | |
| })); | |
| } | |
| </script> |