React State Management: Actions and Reducers Explained
Quick Answer
In React, actions are plain objects that describe state changes, while reducers are pure functions that take the current state and an action to return a new state. Together, they enable predictable state management, especially when using libraries like Redux or React's useReducer hook.
Learning Objectives
- Understand what actions and reducers are in React state management.
- Learn how to implement reducers and dispatch actions using useReducer.
- Recognize the benefits of using actions and reducers for predictable state updates.
Introduction
Managing state effectively is crucial in React applications to ensure predictable UI behavior.
Actions and reducers provide a structured way to update state, especially in complex scenarios.
Predictability is the key to maintainable state management.





