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React-Bootstrap Accordion Component

  • Last Updated : 18 May, 2021

React-Bootstrap is a front-end framework that was designed keeping react in mind. Accordion Component provides a way to control our card components so that we can open them one at a time. We can use the following approach in ReactJS to use the react-bootstrap Accordion Component.

Accordion Props:

  • activeKey: It is the currently active key which corresponds to the expanded card which is currently active.
  • as: It can be used as a custom element type for this component.
  • defaultActiveKey: It is the default active key that expands on start.
  • onSelect: It is the callback function named as SelectCallback.
  • bsPrefix: It is an escape hatch for working with strongly customized bootstrap CSS.

Accordion.Toggle Props:

  • as: It can be used as a custom element type for this component.
  • eventKey: It is a key that is used to correspond to the collapse component when the click is triggered on this component.
  • onClick: It is the callback function that is triggered when this component is clicked.

Accordion.Collapse Props:

  • children: It is used to pass the children’s prop which should contain only a single child.
  • eventKey: It is a key that is used to correspond to the toggler.

useAccordionToggle Props: It is used to create our custom toggle component with this hook. 



  • eventKey: It is the key that is given for the specified element/card.
  • callback: It is a callback function that is triggered on a toggle event.

Creating 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. folder name, move to it using the following command:

    cd foldername
  • Step 3: After creating the ReactJS application, Install the required module using the following command:

    npm install react-bootstrap 
    npm install bootstrap

Project Structure: It will look like the following.

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.

App.js




import React from 'react';
import 'bootstrap/dist/css/bootstrap.css';
  
import Accordion from 'react-bootstrap/Accordion';
import Card from 'react-bootstrap/Card';
import Button from 'react-bootstrap/Button';
  
export default function App() {
  return (
    <div style={{ display: 'block'
                  width: 700, padding: 30 }}>
      <h4>React-Bootstrap Accordion Component</h4>
      <Accordion defaultActiveKey="0">
        <Card>
          <Card.Header>
            <Accordion.Toggle as={Button} 
              variant="link" eventKey="0">
              Click Me to Toggle!
            </Accordion.Toggle>
          </Card.Header>
          <Accordion.Collapse eventKey="0">
            <Card.Body>
             Greetings from GeeksforGeeks
            </Card.Body>
          </Accordion.Collapse>
        </Card>
      </Accordion>
    </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:

Reference: https://react-bootstrap.github.io/components/accordion/




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