| <!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> |