Learning Redux

The store – combining actions and reducers

By now, we might be wondering what exactly Redux is (besides a set of principles and some helper functions). Essentially, Redux brings actions and reducers together. It provides a store, which contains the application state and provides some functions to do the following:

• Access the application state: store.getState()
• Dispatch actions: store.dispatch(action)
• Register listeners: store.subscribe(listener)

According to the official documentation of Redux, Redux is a predictable state container for JavaScript apps.

The state container (store) is the heart of Redux: It contains your application state and does not allow external changes. Redux only allows changes through actions, which get passed to ...