redux-example.js

const myState = {
  almafa: 'B'
};

const Foo = (props) => (
  <div>Hello { props.belmafa }</div>
);

function myReducer(state = myState, action) {
  switch (action.type) {
    case 'foo':
      return {
        almafa: 'Foo'
      };
    case 'bar':
      return {
        almafa: 'bar'
      };
    default:
      return state;
  }
}

const store = Redux.createStore(myReducer);
const Provider = ReactRedux.Provider;

store.dispatch({
  type: 'foo'
});

function map(state) {
  return {
    belmafa: state.almafa
  };
}

// How to be reduxed?
// You need Provider and connect from react-redux
// https://github.com/reactjs/react-redux/blob/master/docs/api.md#provider-store
const ConnectedFoo = ReactRedux.connect(map)(Foo);

ReactDOM.render(
  (
    <Provider store={ store }>          
      <ConnectedFoo />
    </Provider>
  ), 
  document.getElementById('root')
);