JAVASCRIPT

react js class component

import React from 'react'
import ReactDOM from 'react-dom'

class Hello extends React.Component {
  render () {
    return <div className='message-box'>
      Hello {this.props.name}
    </div>
  }
}

react js class component

// New component class starts here:
class Friend extends React.Component {
  render() {
    const friend = friends[0];
    return (
      <div>
        <h1>{friend.title}</h1>
        <img src={friend.src}/>
      </div>
    );
  }
}

Reactjs exemple class component

class ExampleComponent extends React.Component {
  constructor(props) {
    super(props);
    this.state = { };
  }

  render() {
    return (
      <div>
        <h1>This is a view created by a class component</h1>
      </div>
    );
  }
}