onKeyUp property
Callback for when the user releases a key
Implementation
@override
KeyboardEventCallback? get onKeyUp =>
    (props[_$key__onKeyUp___$UbiquitousDomPropsMixin] ?? null)
        as KeyboardEventCallback?;Callback for when the user releases a key
Implementation
@override
set onKeyUp(KeyboardEventCallback? value) =>
    props[_$key__onKeyUp___$UbiquitousDomPropsMixin] = value;