| <!DOCTYPE html> |
| <html> |
| <style> |
| section { |
| position: absolute; |
| top: 0; |
| right: 0; |
| bottom: 0; |
| left: 0; |
| |
| display: flex; |
| flex-direction: row; |
| gap: 10px; |
| |
| cursor: pointer; |
| |
| background: gray; |
| } |
| |
| div { |
| flex-grow: 1; |
| |
| display: flex; |
| flex-direction: column; |
| gap: 10px; |
| |
| background: purple; |
| } |
| |
| div > div { |
| background: blue; |
| } |
| |
| </style> |
| <body> |
| <section> |
| <div> |
| <div> |
| </div> |
| <div> |
| </div> |
| </div> |
| <div></div> |
| </section> |
| <pre id="results"></pre> |
| <script> |
| document.body.addEventListener("click", function(e) { |
| console.log(e, "event delegation"); |
| }); |
| |
| 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> |
