How to use Collapse Component in ReactJS ?

Last Updated : 04 Dec, 2023

ReactJS, a popular JavaScript library for building user interfaces, provides developers with a rich set of components to create interactive and dynamic web applications. One such component is the Collapse component, which allows you to hide and reveal content based on user interaction. In this article, we will explore how to effectively use the Collapse component in ReactJS to create collapsible sections within your applications.

Prerequisites

Knowledge of React JS
Node and NPM installed in the system

Steps to create 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

Project Structure:

Project Structure

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

import React from 'react';
import FormControlLabel from '@material-ui/core/FormControlLabel';
import Paper from '@material-ui/core/Paper';
import Switch from '@material-ui/core/Switch';
import Collapse from '@material-ui/core/Collapse';
 
export default function App() {
 
    const [isChecked, setIsChecked] = React.useState(false);
 
    return (
        <div style={{ display: 'block', padding: 30 }}>
            <h4>How to use Collapse Component in ReactJS?</h4>
            <FormControlLabel
                control={<Switch checked={isChecked} onChange={() => {
                    setIsChecked((prev) => !prev);
                }} />}
                label="Toggle me to see Collapse Effect"
            />
            <div style={{ display: 'flex' }}>
                <Collapse in={isChecked}>
                    <Paper
                        elevation={5}
                        style={{ margin: 5 }} >
                        <svg style={{ width: 100, height: 100 }}>
                            <polygon points="0,80 45,00, 80,70"
                                style={{
                                    fill: 'orange',
                                    stroke: 'dimgrey',
                                    strokeWidth: 1,
                                }} />
                        </svg>
                    </Paper>
                </Collapse>
            </div>
        </div>
    );
}