Function Visibility

code/redux/src/app.jsx:75–82

({ changeVisibility })

)(Counter);

function Visibility({ changeVisibility }) {
  return (
    <div>
      <button onClick={ () => changeVisibility(true) }>Visible</button>
      <button onClick={ () => changeVisibility(false) }>Hidden</button>
    </div>
  );
}
const VisibilityConnected = connect(
  null,
  dispatch => ({