| PASS | insertAdjacentElement(beforebegin, [object HTMLHeadingElement] ) | |
| PASS | insertAdjacentText(beforebegin, raclette ) | |
| PASS | insertAdjacentElement(afterbegin, [object HTMLHeadingElement] ) | |
| PASS | insertAdjacentText(afterbegin, tartiflette ) | |
| PASS | insertAdjacentElement(beforeend, [object HTMLHeadingElement] ) | |
| PASS | insertAdjacentText(beforeend, lasagne ) | |
| PASS | insertAdjacentElement(afterend, [object HTMLHeadingElement] ) | |
| PASS | insertAdjacentText(afterend, gateau aux pommes ) | |
| PASS | invalid object argument insertAdjacentElement | |
| PASS | invalid caller object insertAdjacentElement | |
| PASS | invalid caller object insertAdjacentText | |
| PASS | invalid syntax for insertAdjacentElement | |
| PASS | invalid syntax for insertAdjacentText | |
| PASS | insertAdjacentText should return null | |