| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style> | |
| div { | |
| position: absolute; | |
| top: 0; | |
| left: 0; | |
| width: 100px; | |
| height: 100px; | |
| background-color: black; | |
| will-change: transform; | |
| } | |
| div.changed { | |
| rotate: 30deg; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div></div> | |
| <script> | |
| if (window.testRunner) | |
| window.testRunner.waitUntilDone(); | |
| requestAnimationFrame(() => { | |
| document.querySelector("div").classList.add("changed"); | |
| if (window.testRunner) | |
| window.testRunner.notifyDone(); | |
| }); | |
| </script> | |
| </body> | |
| </html> |