CODE EXAMPLE FOR JAVASCRIPT

how to integrate redux dev tool to react application

  import { createStore, applyMiddleware, compose } from 'redux';

 const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ || compose;
 const store = createStore(reducer, /* preloadedState, */ composeEnhancers(
    applyMiddleware(...middleware)
  ));