| <!DOCTYPE html> |
| <body> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| var iframe1; |
| var t = async_test('Do not crash if an IFRAME element is loaded twice.'); |
| window.onload = t.step_func_done(() => { |
| var fragment = document.createDocumentFragment(); |
| var script = fragment.appendChild(document.createElement('script')); |
| iframe1 = fragment.appendChild(document.createElement('iframe')); |
| fragment.appendChild(document.createTextNode('foo')); |
| script.textContent = 'document.body.appendChild(iframe1);'; |
| document.body.appendChild(fragment); |
| }); |
| </script> |
| </body> |
