| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> |
| <style> |
| .container { |
| overflow: hidden; |
| position: relative; |
| margin: 20px; |
| height: 50px; |
| width: 50px; |
| border: 1px solid black; |
| } |
| |
| .inner { |
| height: 1000px; |
| width: 100%; |
| position: absolute; |
| } |
| |
| button { |
| width: 100%; |
| height: 100%; |
| } |
| </style> |
| </head> |
| <body> |
| <div class="container"> |
| <div class="inner"> |
| <button>Hi</button> |
| </div> |
| </div> |
| |
| <pre id="results"></pre> |
| <script> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| window.onload = function () { |
| if (window.internals) |
| results.textContent = internals.layerTreeAsText(document, internals.LAYER_TREE_INCLUDES_EVENT_REGION | internals.LAYER_TREE_INCLUDES_ROOT_LAYER_PROPERTIES); |
| }; |
| </script> |
| </body> |
| </html> |
| |
