JAVASCRIPT

state functions of react cheatsheet

const el = document.body
ReactDOM.render(<Hello name='John' />, el)

state functions of react cheatsheet

import React, {Component} from 'react'
import ReactDOM from 'react-dom'

state functions of react cheatsheet

class Hello extends Component {
  ...
}

state functions of react cheatsheet

constructor(props) {
  super(props)
  this.state = { username: undefined }
}

state functions of react cheatsheet

render () {
  this.state.username
  const { username } = this.state
  ···
}
 
 

state functions of react cheatsheet

this.forceUpdate()