| <!DOCTYPE html> <!-- webkit-test-runner [ useFlexibleViewport=true AsyncFrameScrollingEnabled=true ] --> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width"> |
| <style> |
| iframe { |
| position: relative; |
| border: 1px solid black; |
| width: 300px; |
| height: 300px; |
| } |
| </style> |
| <script> |
| function doTest() |
| { |
| let iframe = document.getElementById('test-frame'); |
| iframe.contentDocument.scrollingElement.scrollTop = 300; |
| } |
| |
| window.addEventListener('load', doTest, false); |
| </script> |
| </head> |
| <body> |
| <iframe id="test-frame" srcdoc=" |
| <style> |
| body { |
| height: 2000px; |
| margin: 0; |
| } |
| .box { |
| margin-top: 300px; |
| width: 300px; |
| height: 300px; |
| background-color: green; |
| } |
| </style> |
| <body> |
| <div class='box'></div> |
| </body> |
| "> |
| </body> |
| </html> |
