| PASS nodeValue on Node must enqueue an attributeChanged reaction when replacing an existing attribute | |
| PASS nodeValue on Node must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute | |
| PASS textContent on Node must enqueue an attributeChanged reaction when replacing an existing attribute | |
| PASS textContent on Node must not enqueue an attributeChanged reaction when replacing an existing unobserved attribute | |
| PASS cloneNode on Node must enqueue an attributeChanged reaction when cloning an element with an observed attribute | |
| PASS cloneNode on Node must not enqueue an attributeChanged reaction when cloning an element with an unobserved attribute | |
| PASS cloneNode on Node must enqueue an attributeChanged reaction when cloning an element only for observed attributes | |
| PASS insertBefore on ChildNode must enqueue a connected reaction | |
| PASS insertBefore on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document | |
| PASS appendChild on ChildNode must enqueue a connected reaction | |
| PASS appendChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document | |
| PASS replaceChild on ChildNode must enqueue a connected reaction | |
| PASS replaceChild on ChildNode must enqueue a disconnected reaction, an adopted reaction, and a connected reaction when the custom element was in another document | |
| PASS removeChild on ChildNode must enqueue a disconnected reaction | |