javascript HelloWorld1.js。请参阅comp-demo-2.html。

Posted 2021-05-03

// jshint esversion: 6
import React from "react";
import "./App.css";

// This component is from comp-demo-2.html
// Components are JavaScript functions that return html elements
class HelloWorld1 extends React.Component {
  render() {
    return <h1>Hello, Component World!</h1>;
  }
}

export default HelloWorld1;