react text input onchange

1class NameForm extends React.Component {
2  constructor(props) {
3    super(props);
4    this.state = {value: ''};
5    this.handleChange = this.handleChange.bind(this);
6    this.handleSubmit = this.handleSubmit.bind(this);
7  }
8
9  handleChange(event) {    this.setState({value: event.target.value});  }
10  handleSubmit(event) {
11    alert('A name was submitted: ' + this.state.value);
12    event.preventDefault();
13  }
14
15  render() {
16    return (
17      <form onSubmit={this.handleSubmit}>
18        <label>
19          Name:
20          <input type="text" value={this.state.value} onChange={this.handleChange} />        </label>
21        <input type="submit" value="Submit" />
22      </form>
23    );
24  }
25}

1import React, { Component } from 'react';
2
3import './App.css';
4import Header from './Header';
5
6class App extends Component {
7
8  constructor(props) {
9    super(props);
10   this.state = {name: "Michael"}
11
12  }
13   changeTitle = (e) =>{
14      this.setState({name: e.target.value});
15    }
16
17  render() {
18    return (
19      <div className="App">
20        <Header title={this.state.name}/>
21        <p className="App-intro">
22          Type here to change name.
23        <input type="text" onChange={this.changeTitle}/>
24        </p>
25      </div>
26    );
27  }
28}
29
30export default App;