| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <span id="e1"></span> |
| <span id="e2"> |
| <span id="e3"></span> |
| </span> |
| <script> |
| test(() => { |
| // This triggers a DCHECK when appendChild runs during another |
| // appendChild. |
| var e1 = document.getElementById("e1"); |
| var e2 = document.getElementById("e2"); |
| var e3 = document.getElementById("e3"); |
| var doc1 = document.implementation.createDocument("", "", null); |
| doc1.appendChild(e2); |
| |
| e2.addEventListener( |
| "DOMSubtreeModified", () => {e1.appendChild(e3)}, {once: true}); |
| e2.appendChild(e3); |
| }, "appendChild between docs should not crash"); |
| </script> |
