| <!DOCTYPE html> |
| <html> |
| <style> |
| html { |
| background-color: white; |
| } |
| body { |
| background-color: silver; |
| margin: 0; |
| } |
| |
| .tall { |
| position: absolute; |
| top: 0; |
| background-color: gray; |
| height: 2000px; |
| width: 20px; |
| } |
| </style> |
| <script> |
| window.onload = () => { |
| window.addEventListener('wheel', () => { results.textContent += 'passive wheel\n' }, { passive: true }); |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| if (window.internals) |
| results.innerText = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION | internals.LAYER_TREE_INCLUDES_ROOT_LAYER_PROPERTIES); |
| } |
| </script> |
| <body> |
| <div class="tall"></div> |
| <pre id="results"></pre> |
| </body> |
| </html> |