Method HasOwnProperty

napi-inl.h:1708–1712

}

inline MaybeOrValue<bool> Object::HasOwnProperty(napi_value key) const {
  bool result;
  napi_status status = napi_has_own_property(_env, _value, key, &result);
  NAPI_RETURN_OR_THROW_IF_FAILED(_env, status, result, bool);
}

inline MaybeOrValue<bool> Object::HasOwnProperty(Value key) const {
  bool result;