Calendar Example:

Calendar field:

```js
class CalendarExample extends React.Component {
  constructor() {
    super()
    this.state = {
      calDate: new Date()
    }
this.handleCalChange = this.handleCalChange.bind(this)

  }
 handleCalChange(date) {
         this.setState((prevState, props) => ({
      calDate: date
    }))

    }
render() {
    return (
        <Calendar selected={this.state.calDate} onChange={this.handleCalChange.bind(this)} dateFormat='dd/MM/yyyy'/>
    )
  }
}
;<CalendarExample />

```