| <!DOCTYPE html> |
| <body> |
| <style> |
| |
| #target { |
| position: absolute; |
| left: 0; |
| top: 0; |
| width: 100px; |
| height: 100px; |
| background-color: black; |
| } |
| |
| </style> |
| <div id="target"></div> |
| <script> |
| |
| (async () => { |
| if (window.testRunner) |
| window.testRunner.waitUntilDone(); |
| |
| const target = document.getElementById("target"); |
| |
| // Start a forward-filling accelerated animation. |
| const fillingAnimation = target.animate({ transform: "translateX(100px)" }, { duration: 1, fill: "forwards" }); |
| await fillingAnimation.finished; |
| |
| // Start another animation with an implicit from keyframe. |
| const animation = target.animate({ transform: "translateY(1px)" }, { duration: 1000 * 1000 }); |
| |
| // Wait two frames for the accelerated animation to be committed. |
| await animation.ready; |
| await new Promise(requestAnimationFrame); |
| await new Promise(requestAnimationFrame); |
| |
| if (window.testRunner) |
| window.testRunner.notifyDone(); |
| })(); |
| |
| </script> |
| </body> |
