Es6 Features

es6.js

import _ from 'lodash';

'use strict';

export class Hello {
  constructor(name="John") {
    this.name = name;
  }

  set name(name) {
    this._name = name;
  }

  get name() {
    return this._name;
  }

  hello() {
    // Multiline strings and Interpolate variable bindings
    return `Hello
    ${this.name}!`;
  }

  static sayHelloAll() {
    return 'Hello everyone!';
  }
}

export class HelloWorld extends Hello {
  constructor(...rest) {
    super(...rest);
  }

  echo() {
    console.log(super.hello());
  }
}