| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| |
| #target { |
| position: absolute; |
| left: 0; |
| top: 0; |
| width: 100px; |
| height: 100px; |
| background-color: black; |
| will-change: transform; |
| } |
| |
| </style> |
| </head> |
| <body> |
| <div id="target"></div> |
| <script> |
| |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| const animation = document.getElementById("target").animate({ transform: ["translateX(50px)", "translateX(100px)"] }, 1000); |
| |
| // Wait until the animation is ready which means the action to play an accelerated animation has been enqueued by now, but not commmitted. |
| animation.ready.then(() => { |
| // Cancel the animation, this should cancel the uncommitted accelerated animation. |
| animation.cancel(); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| |
| </script> |
| </body> |
| </html> |
