| <!doctype html> |
| <script src="../../resources/run-after-layout-and-paint.js"></script> |
| <style> |
| #container { |
| overflow: scroll; |
| width: 400px; |
| height: 300px; |
| background: linear-gradient(black, white); |
| background-attachment: local; |
| position: relative; |
| z-index: 2; |
| will-change: transform; |
| } |
| #compositedChild { |
| height: 1000px; |
| width: 10px; |
| will-change: transform; |
| z-index: -1; |
| position: absolute; |
| } |
| </style> |
| <div id="container"> |
| <div id="compositedChild"></div> |
| </div> |
| <script> |
| runAfterLayoutAndPaint(function() { |
| document.getElementById('container').scrollTop = 1000; |
| }, true); |
| </script> |
