| <!DOCTYPE html> |
| <style> |
| #target { |
| width:100px; |
| height: 100px; |
| background: blue; |
| transition-duration: 0.1s; |
| transform: translate3d(10px, 0, 0); |
| will-change: contents; |
| } |
| #target.changed { |
| width: 400px; |
| transform: translate3d(20px, 0, 0); |
| } |
| </style> |
| <div id="target"></div> |
| <script src="../resources/run-after-layout-and-paint.js"></script> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| runAfterLayoutAndPaint(() => { |
| target.addEventListener('transitionend', () => { |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }); |
| target.classList.add('changed'); |
| }); |
| </script> |
