| <!DOCTYPE html> |
| <style> |
| #target { |
| position: absolute; |
| top: 0; |
| width: 100px; |
| height: 100px; |
| background: red; |
| transition-property: top, background; |
| transition-duration: 50ms; |
| transform: translateZ(0); |
| } |
| </style> |
| <script> |
| 'use strict'; |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| } |
| onload = function() { |
| var target = document.getElementById('target'); |
| target.offsetHeight; // Force style recalc |
| target.style.top = '100px'; |
| target.style.background = 'green'; |
| } |
| if (window.testRunner) { |
| document.addEventListener('transitionend', function() { |
| testRunner.notifyDone(); |
| }); |
| } |
| </script> |
| <div id="target">This box should transition from red to green.</div> |
