what is class based react code example

Example 1: class component in react

class Car extends React.Component {
  render() {
    return <h2>Hi, I am a Car!</h2>;
  }
}

Example 2: how to use a js class in react

class Developer {  constructor(firstname, lastname) {    this.firstname = firstname;    this.lastname = lastname;  }   getName() {    return this.firstname + ' ' + this.lastname;  }} class ReactDeveloper extends Developer {  getJob() {    return 'React Developer';  }} var me = new ReactDeveloper('Robin', 'Wieruch'); console.log(me.getName());console.log(me.getJob());