React 18 迁移指南

旧版本

import React from 'react';
import { render } from 'react-dom';
import App from './App';
​
render(<App />, document.getElementById('root'));

新版本

import React from 'react';
import { createRoot } from 'react-dom/client';
import App from './App';
​
const root = createRoot(document.getElementById('root'));
root.render(<App />);