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Explain the components of Redux.

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Redux is composed of the following components:

? Action— Actions are payloads of information that send data from our

application to our store. They are the only source of information for the

store. We send them to the store using store.dispatch(). Primarly, they

are just an object describes what happened in our app.

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Redux is composed of the following components:

? Reducer— Reducers specify how the application’s state changes in

response to actions sent to the store. Remember that actions only

describe what happened, but don’t describe how the application’s state

changes. So this place determines how state will change to an action.

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Redux is composed of the following components:

? Store — The Store is the object that brings Action and Reducer

together. The store has the following responsibilities: Holds application

state; Allows access to state via getState(); Allows state to be updated

viadispatch(action); Registers listeners via subscribe(listener); Handles

unregistering of listeners via the function returned bysubscribe(listener).

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