| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| |
| @keyframes opacity0to1 { |
| 0% { |
| opacity: 0; |
| } |
| 100% { |
| opacity: 1; |
| } |
| } |
| |
| @keyframes opacity0to0 { |
| 0% { |
| opacity: 0; |
| } |
| 100% { |
| opacity: 1; |
| } |
| } |
| |
| div { |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| transform: translateZ(0px); |
| } |
| .first { |
| opacity: 0; |
| } |
| .second { |
| opacity: 0; |
| will-change: opacity; |
| } |
| .third { |
| animation: opacity0to1 1000s linear infinite; |
| } |
| .fourth { |
| animation: opacity0to0 1000s linear infinite; |
| } |
| </style> |
| <script> |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| window.onload = function() { |
| if (!window.testRunner) |
| return; |
| |
| let out = document.getElementById('out'); |
| out.textContent = internals.layerTreeAsText(document); |
| testRunner.notifyDone(); |
| }; |
| </script> |
| </head> |
| <body> |
| <pre id="out"></pre> |
| <div class="first">First</div> |
| <div class="second">Second</div> |
| <div class="third">Third</div> |
| <div class="fourth">Fourth</div> |
| </body> |
| </html> |
