import React from "react"; import ReactDOM from "react-dom/client"; // import App from "./App.js"; import { addEvent } from "./myEvent"; const jsx = (
console.log("click div")}>

你好

); const root = ReactDOM.createRoot(document.getElementById("root")); root.render(jsx); // 进行根元素的事件绑定,换句话说,就是使用我们自己的事件系统 addEvent(document.getElementById("root"), "click");