react_stuff.js

class EmailField extends Component {
  constructor() {
    super();
    this.state = {
      email: '',
    };
  }

  handleClick = (e) => {
    this.props.dispatch('SOMETHING', { email: e.target.innerText }):
    this.setState({ email: '' });
  }

  render() {
    const { email } = this.state;
    render (
      <div>
        <h1>Enter your email</h1>
        <input
          className="email-field"
          value={email}
          onClick={this.handleClick}
        />
      </div>
    );
  }
}