| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| margin: 0; |
| } |
| .sticky { |
| position: sticky; |
| top: 0px; |
| left: 100px; |
| width: 300px; |
| height: 300px; |
| border: 1px solid black; |
| } |
| body.changed .sticky { |
| height: 5000px; |
| } |
| |
| .green { |
| width: 100px; |
| height: 100px; |
| background-color: green; |
| } |
| |
| .red { |
| position: absolute; |
| top: 0px; |
| left: 100px; |
| width: 100px; |
| height: 100px; |
| background-color: red; |
| } |
| |
| ::-webkit-scrollbar { |
| display: none; |
| } |
| </style> |
| <script> |
| if (window.testRunner) |
| testRunner.waitUntilDone(); |
| |
| window.addEventListener('load', () => { |
| requestAnimationFrame(() => { |
| document.body.classList.add('changed'); |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| }) |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div class="red"></div> |
| <div class="sticky"> |
| <div class="green"></div> |
| </div> |
| </body> |
| </html> |
