What Is State Management In React? Know Here 2024

What Is State Management In React? Know Here 2024

What Is State Management In React? Know Here 2024

One popular JavaScript library for creating user interfaces, React, offers a strong and effective method of controlling application state. The development of responsive and interactive web applications requires effective state management. We will look at a number of methods and React libraries for efficient state management in this blog.

Recognizing the State in React

A component’s state is represented by its state in React. React re-renders the component when the state changes, making sure the user interface displays the most recent information and user interactions.

State of the Local Component

Local states can exist in React components. State can be managed in functional components by using the useState hook, and in class-based components by using the setState method.

import React, { useState } from ‘react’;


const Counter = () => {

const [count, setCount] = useState(0);


const increment = () => {

setCount(count + 1);



return (


<p>Count: {count}</p>

<button onClick={increment}>Increment</button>





export default Counter;


In this instance, the Counter component manages the count state locally. The count state is updated each time the increment function is called, which causes the component to be re-rendered so that the updated count is displayed in the user interface.

Elevated Condition

Moving the state from a child component to a common parent component is known as “lifting state up.” When managing the state at a higher level in the component hierarchy or when several components need to share the same state, this is helpful.


import React, { useState } from ‘react’;

import ChildComponent from ‘./ChildComponent’;


const ParentComponent = () => {

const [sharedState, setSharedState] = useState(”);


const handleStateChange = (newState) => {




return (


<ChildComponent onStateChange={handleStateChange} sharedState={sharedState} />

<p>Shared State: {sharedState}</p>





export ParentComponent default;


In this instance, the sharedState is managed by the ParentComponent and passed as a prop to the ChildComponent. The ParentComponent re-renders and reflects the updated state when the ChildComponent uses the onStateChange callback to update the state.

API Context

For managing global state that many components throughout the application need to access, the Context API is a potent tool. It makes the process of transferring props between levels of components easier.

import React, { createContext, useState } from ‘react’;


const MyContext = createContext();


const MyProvider = ({ children }) => {

const [value, setValue] = useState(”);


return (

<MyContext.Provider value={{ value, setValue }}>






export { MyProvider, MyContext };


In this example, we use the createContext method to create a MyContext, and we use the MyProvider component to manage the global state and wrap the application. Using the MyContext, application components can access and modify this shared state.A functional component that uses the useContext hook or is a consumer.

Libraries for State Management

In addition to React’s built-in state management features, a number of third-party libraries offer more sophisticated state management options. Among the well-known ones are:


A reliable state container for JavaScript applications, such as React, is Redux. It assists in controlling the state of the application in a solitary, centralized area known as the “store.” Components can subscribe to the store in order to access the state, and actions are sent out to change the state.


State management is made simple and effective with MobX, a scalable and straightforward state management library. It tracks changes in the state automatically and updates the user interface (UI) using observables.


grasping the concept of state management in React is essential for mastering front-end web development in 2024. Our guide equips developers with key insights, empowering them to navigate React’s dynamic landscape and build robust and efficient user interfaces.

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