What is the main concept of Redux?

Upon receiving an action, the Redux store initiates reducers, which are pure functions that take the previous state and the action as arguments and return the next state of the application. Reducers are responsible for defining how the application's state should change in response to an action.

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Redux, a powerful state management tool for applications, operates by maintaining a centralized and predictable state tree. This approach simplifies the complexity of managing state across various components within an application.

By offering a standardized method to manage the application's state, Redux ensures consistency and predictability in the way data is handled. It allows developers to have a clear understanding of how the state of their application is being altered at any given time.

Actions, which are plain objects that describe what happened in the application, are dispatched to the Redux store. These actions serve as messages sent to the store, informing it of the need for a change in the application's state.