| <!DOCTYPE html> <!-- webkit-test-runner [ AsyncOverflowScrollingEnabled=true ] --> |
| <html> |
| <style> |
| .outer.scroller { |
| margin-top: 80px; |
| width: 600px; |
| height: 500px; |
| } |
| |
| .scroller { |
| overflow-y: scroll; |
| border: 1px solid black; |
| } |
| |
| .animator { |
| position: absolute; |
| z-index: 2; |
| top: 10px; |
| left: 10px; |
| height: 20px; |
| width: 200px; |
| padding: 10px; |
| background-color: gray; |
| color: white; |
| transition: opacity 20s; |
| } |
| |
| .animator:hover { |
| opacity: 0.7; |
| } |
| |
| .relative { |
| position: relative; |
| z-index: 1; |
| margin: 20px; |
| height: 150px; |
| width: 500px; |
| background-color: green; |
| } |
| |
| .fixed { |
| position: fixed; |
| top: 10px; |
| left: 10px; |
| /* This is invisible */ |
| } |
| |
| .spacer { |
| height: 120px; |
| width: 10px; |
| background-color: #eee; |
| margin: 10px; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| window.addEventListener('load', () => { |
| if (window.internals) |
| document.getElementById('layers').textContent = internals.layerTreeAsText(document); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="outer scroller"> |
| <div class="animator"> |
| Hover here to see the bug |
| </div> |
| <div class="spacer"></div> |
| <div class="relative"> |
| <div class="fixed"></div> |
| </div> |
| <div class="relative"></div> |
| <div class="spacer"></div> |
| </div> |
| <pre id="layers"></pre> |
| </body> |
