index.js

import React from 'react'
import ReactDOM from 'react-dom';
import image from './8.jpg'
import Image from './Image';
import BarChart from './BarChart';
const element = <h1>Bonjour, monde</h1>;
const root = document.getElementById('root');
let arr = [5, 10, 2, 3, 0, 100];
ReactDOM.render(<BarChart data={arr}/>, root);