| <!DOCTYPE html> | |
| <body> | |
| <script src="../../../resources/testharness.js"></script> | |
| <script src="../../../resources/testharnessreport.js"></script> | |
| <select></select> | |
| <script> | |
| test(() => { | |
| var select = document.querySelector('select'); | |
| select.addEventListener('DOMSubtreeModified', () => { | |
| if (select.options[0]) | |
| select.removeChild(select.options[0]); | |
| }, false); | |
| select[0] = new Option('option1', '', true, true); | |
| }, 'select.add() should not trigger an assertion failure.'); | |
| </script> | |
| </body> |