| PASS Original length | |
| PASS Setting length to original value has no effect | |
| PASS Setting length to shorter value | |
| PASS Setting length to longer value | |
| PASS Insert <p><option>6</option></p> into <select> | |
| PASS Insert <select><option>6</option></select> into <select> | |
| PASS Insert <optgroup><option>6</option></optgroup> into <select> | |
| PASS Insert <optgroup><optgroup><option>6</option></optgroup></optgroup> into <select> | |
| PASS namedItem id attribute | |
| PASS namedItem name attribute | |
| PASS namedItem doesn't match anything | |
| PASS namedItem multiple IDs | |
| PASS namedItem multiple names | |
| PASS namedItem multiple name and ID | |
| PASS namedItem multiple name and ID with multiple attributes | |
| PASS namedItem id attribute multiple attributes one element | |
| PASS namedItem name attribute multiple attributes one element | |
| PASS HTMLOptionsCollection [index] method return the item with index | |
| PASS HTMLOptionsCollection [name] method return the item with name | |
| PASS HTMLOptionsCollection.item(index) method return the item with index | |
| PASS HTMLOptionsCollection.item(name) method return the item with index 0 | |
| PASS HTMLOptionsCollection.add method insert HTMLOptionElement Option element | |
| PASS HTMLOptionsCollection.remove method remove Option element by index | |
| PASS Add non-option to collection | |