| <!DOCTYPE html> |
| |
| <html> |
| <head> |
| <style> |
| .fixed { |
| position: fixed; |
| top: 50px; |
| left: 50px; |
| } |
| |
| .box { |
| height: 100px; |
| width: 100px; |
| background-color: blue; |
| } |
| |
| .child { |
| position: relative; |
| left: 50px; |
| top: 50px; |
| } |
| #output { |
| margin-top: 520px; |
| } |
| </style> |
| <script src="resources/wheel-handler-region-helper.js"></script> |
| <script> |
| function dumpRegion() |
| { |
| if (window.internals) { |
| var rects = window.internals.nonFastScrollableRects(); |
| document.getElementById('output').textContent = rectsAsString(rects); |
| } |
| } |
| |
| window.addEventListener('load', dumpRegion, false); |
| </script> |
| </head> |
| <body> |
| |
| <div class="box"> |
| <div class="fixed box" onmousewheel="(void)0"> |
| </div> |
| </div> |
| |
| <pre id="output"></pre> |
| |
| </body> |
| </html> |
