Bindings that used to be declared in the IDL and do nothing —
so 'x' in obj was true and obj.x was
undefined.
| check | expected | got |
|---|
Scroll the wheel over the dashed box. Nothing used to fire a
wheel event at all, and the deltas read
undefined.
Type into the field — letters, Enter, arrows, punctuation.
addEventListener('pointerdown') already worked;
el.onpointerdown = fn dropped the function.