How to use Badge Component in ReactJS?

Badge generates a small badge to the top-right of its children component. Material UI for React has this component available for us, and it is very easy to integrate. We can use the Badge Component in ReactJS using the following approach.

Prerequisites:

• NodeJS or NPM
• React JS
• Material UI

Steps to Create the React Application And Installing Module:

Step 1: Create a React application using the following command.

npx create-react-app foldername

Step 2: After creating your project folder i.e. foldername, move to it using the following command.

cd foldername

Step 3: After creating the ReactJS application, Install the material-ui modules using the following command.

npm install @material-ui/core
npm install @material-ui/icons

Project Structure:

Project Structure

The updated dependencies in package.json file will look like:

"dependencies": {
    "@material-ui/core": "^4.12.4",
    "react": "^18.2.0",
    "react-dom": "^18.2.0",
    "react-scripts": "5.0.1",
    "web-vitals": "^2.1.4",
}

Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.

Javascript

// App.js

import React from 'react';
import MailIcon from '@material-ui/icons/Mail';
import Badge from '@material-ui/core/Badge';

export default function App() {

  return (
     <div style={{display: 'block', padding: 30}}>
      <h4>How to use Badge Component in ReactJS?</h4>
      <Badge badgeContent={4}
      color="primary">
        <MailIcon />
      </Badge>
    </div>
  );
}

Step to Run Application: Run the application using the following command from the root directory of the project.

npm start

Output: Now open your browser and go to http://localhost:3000/, you will see the following output.