import React, { Component } from 'react'
export default class Statefull extends Component {
constructor (props) {
super(props)
this.state = { answer: null }
}
componentWillMount () {
this.setState({ answer: 42 })
render () {
return (
<div>
<p id='answer'>The answer is {this.state.answer}</p>
</div>
)