| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#background-color"> |
| <link rel="match" href="background-color-transition-obscured-ref.html"> |
| <style> |
| .parent { |
| width: 100px; |
| height: 100px; |
| background-color: rgb(0, 200, 0); |
| transition: background-color 200000ms steps(2) -99999.9ms; |
| } |
| .container { |
| width: 100px; |
| height: 100px; |
| background-color: rgb(0, 0, 200); |
| transition: background-color 200000ms steps(2) -99999.9ms; |
| } |
| </style> |
| <script src="/common/reftest-wait.js"></script> |
| <body> |
| <div class="parent" id="pa"> |
| <div class="container" id="target"></div> |
| </div> |
| |
| <script> |
| function startTransition() { |
| requestAnimationFrame(() => { |
| document.getElementById('target').style.backgroundColor = "rgb(200, 0, 0)"; |
| document.getElementById('pa').style.backgroundColor = "rgb(200, 0, 0)"; |
| const animations = document.getAnimations(); |
| Promise.all([animations[0].ready, animations[1].ready]).then(() => { |
| requestAnimationFrame(() => { |
| requestAnimationFrame(() => { |
| takeScreenshot(); |
| }); |
| }); |
| }); |
| }); |
| } |
| |
| requestAnimationFrame(startTransition); |
| </script> |
| </body> |
| </html> |
