Comparing Creating Class in React

ExtendsES6.js

import React from 'react';

class MugreComponent extends React.Component {
  render() {
    return (
      <div>mugre contents!</div>
    );
  }
}

export default MugreComponent;

React.createClass.js

import React from 'react';
var MugreComponent = React.createClass({
    render(){
      return(
        <div>mugre contents!</div>
      );
    }
});
export default MugreComponent;