CODE EXAMPLE FOR JAVASCRIPT

install bootstrap in react

//open the project in cmd  and install the bootstrap,popper and jquery libraries
npm install bootstrap jquery popper.js

//import this in your index.js like this
import 'bootstrap/dist/css/bootstrap.min.css';
import 'bootstrap/dist/js/bootstrap.bundle.min';
import $ from 'jquery';
import Popper from 'popper.js';
import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
 
ReactDOM.render(
  <React.StrictMode>
    <App />
  </React.StrictMode>,
  document.getElementById('root')
);
 
// If you want to start measuring performance
// in your app, pass a function to log results
// (for example: reportWebVitals(console.log))
// or send to an analytics endpoint.
reportWebVitals();