1import React, { Component } from 'react';
 2import logo from './logo.svg';
 3import './App.css';
 4
 5class App extends Component {
 6  render() {
 7    return (
 8      <div className="App">
 9        <header className="App-header">
10          <img src={logo} className="App-logo" alt="logo" />
11          <h1 className="App-title">Welcome to React</h1>
12        </header>
13        <p className="App-intro">
14          To get started, edit <code>src/App.js</code> and save to reload.
15        </p>
16      </div>
17    );
18  }
19}
20
21export default App;