ktyr report

import ReactDOM from "react-dom";
import { Fragment } from "react";
const App = () => {
    return (
        <Fragment>
            <h2>Hello</h2>
            <p>World</p>
        </Fragment>
    );
}
ReactDOM.render(<App />,document.getElementById("root"));

　
省略できる

import ReactDOM from "react-dom";
const App = () => {
    return (
        <>
            <h2>Hello</h2>
            <p>World</p>
        </>
    );
}
ReactDOM.render(<App />,document.getElementById("root"));