| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| .container { |
| position: relative; |
| z-index: 0; |
| width: 200px; |
| height: 200px; |
| border: 1px solid green; |
| } |
| |
| .fixed { |
| position: fixed; |
| left: 0; |
| width: 100%; |
| height: 100px; |
| background-color: rgba(0, 0, 0, 0.2); |
| } |
| .top { |
| top: 0; |
| } |
| .bottom { |
| bottom: 0; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| window.addEventListener('load', () => { |
| if (window.internals) |
| document.getElementById('scrollingtree').textContent = internals.scrollingStateTreeAsText(); |
| |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="container"> |
| <div class="top fixed"> |
| Top |
| </div> |
| </div> |
| |
| <div class="bottom fixed"> |
| Bottom |
| </div> |
| <pre id="scrollingtree"></pre> |
| </body> |
| </html> |
