import React from "react"; import ReactDOM from "react-dom/client"; import { BrowserRouter } from "react-router-dom"; import { App } from "./App"; import { startServiceWorker } from "./lib/pwa"; import "./index.css"; // 装到桌面之后才有意义:离线能打开、发版能提示。生产构建里才真的注册。 startServiceWorker(); ReactDOM.createRoot(document.getElementById("root")!).render( , );