JAVASCRIPT

importing react

import React from 'react';
import ReactDOM from 'react-dom';

how to import in react js

import React, { useState, Component } from 'react';
import { FaFacebookF, FaInstagram, FaTwitter, FaLinkedinIn } from "react-icons/fa";
import './navbar.css';
import { GiHamburgerMenu } from "react-icons/gi";
import { NavLink } from 'react-router-dom';
import Logo from '../images/Logo.png';

import in react

import Footer from '../../components/Footer/Footer';

why we import react from react

It's just a tool to make it easier for you to use it! If you are
interested in using React without JSX you can check out the docs. ... 
createElement calls, you can see where React is used. If you forget to 
import React, it will be undefined and the createElement call will fail.

why we import react from react

Q. Why we import React from 'react'?
  
Ans: When you are trying to use jsx in your javascript file your normal compiler as well as 
even babel could not understand it. Although normal compiler never understand it. But anyhow 
you want to say your compiler I am providing you a jsx in the file.