what is react state? code example

Example 1: state with react functions

class Example extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      count: 0
    };
  }

  render() {
    return (
      

You clicked {this.state.count} times

); } }

Example 2: state in react

class BalanceInquiry extends Component {
  constructor(props) {
    super(props);
    this.state = {
      totalIncome: 0,
    };
  }

  render() {
    return 
totalIncome {this.state.totalIncome}
; } }

Example 3: props and state react

function tick() {
  const element = (
    

Hello, world!

It is {new Date().toLocaleTimeString()}.

); ReactDOM.render( element, document.getElementById('root') );} setInterval(tick, 1000);

Tags:

Misc Example