method openKeyCursor

Source

Request openKeyCursor(Object range, [String direction]) {
  if (direction != null) {
    return _blink.BlinkIDBObjectStore.instance
        .openKeyCursor_Callback_2_(this, range, direction);
  }
  return _blink.BlinkIDBObjectStore.instance
      .openKeyCursor_Callback_1_(this, range);
}