JAVASCRIPT

react bootstrap do you need to import

1.run command in cmd
npm install react-bootstrap bootstrap

2.after install add this to index.js
import 'bootstrap/dist/css/bootstrap.min.css';

//You may want to add individual components like 'Navbar',
 // or 'Button' rather than the entire library.
3. add this, or similar to the js files that would be using the individual components
import {Navbar, Nav, Button} from 'react-bootstrap';

add bootstrap to react

//1.run following commnad in cmd:
npm install bootstrap --save
//you can now use bootstrap component. example:
import { Button } from 'react-bootstrap';

//2.or  add this to index.js:
<link
  rel="stylesheet"
  href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"
  integrity="sha384-B0vP5xmATw1+K9KRQjQERJvTumQW0nPEzvF6L/Z6nronJ3oUOFUFpCjEUQouq2+l"
  crossorigin="anonymous"
/>

react import bootstrap css

{/* The following line can be included in your src/index.js or App.js file*/}

import 'bootstrap/dist/css/bootstrap.min.css';

import bootstrap css and js file in react

1.run command in cmd
npm install react-bootstrap bootstrap

import 'bootstrap/dist/css/bootstrap.min.css';
import 'bootstrap/dist/js/bootstrap.bundle.min.js';
add 2 import file in index.js 

how to add bootstrap by downloading in react js

// 1) Download bootstrap in react application by running this in terminal(CMD)
	npm install react-bootstrap bootstrap@5.1.3 
	/* @5.1.3 is optional. If you don't write then it will automatically download the latest version. */

// 2) By CDN Link  (Best and my way :)
    /* Copy this link and paste in public/index.html in header tag*/
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
	/* Copy this script tag and paste in public/index.html before closing body tag*/
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>

// For more information go to https://react-bootstrap.github.io/getting-started/introduction/

import bootstrap in react

npm install react-bootstrap bootstrap
import 'bootstrap/dist/css/bootstrap-grid.min.css'

add bootstrap to react

npm install bootstrap
or use yarn 
yarn add bootstrap
then put this in your src/index.js file

import 'bootstrap/dist/css/bootstrap.css';
// Put any other imports below so that CSS from your
// components takes precedence over default styles.

add bootstrap to react

npm install --save bootstrap

react import bootstrap css file

import '../node_modules/bootstrap/dist/css/bootstrap.min.css';

how to include bootstrap in react

import './custom.scss';