Vectormike

let Person = class {
  constructor(name, age) {
    this.name = name;
    this.age = age;
  }
  
  speak() {
    return `Hello, my name is  ${this.name} and I am ${this.age}`
  }
}

Vectormike

let victor = new Person('Victor', 23);
console.log(victor.speak());

Vectormike

let Work = class extends Person {
  constructor(name, age, work) {
    super(name, age);
    this.work = work
  }
  
  getInfo() {
    return `Hey! It's ${this.name}, I am age ${this.age} and work for ${this.work}.`
  }
}

Vectormike

let Person = function(name, age) {
  this.name = name;
  this.age = age;
}

Person.prototype.speak = function() {
  return `Hello, my name is  ${this.name} and I am ${this.age}`
}

let victor = new Person(`Victor`, 23)

Vectormike

let Work = function(name, age, work) {
  Person.call(this, name, age);
  this.work = work;
}

Vectormike

Object.setPropertyOf(Work.prototype, Person.prototype);

Vectormike

Work.prototype.getInfo = function() {
       return `Hey! It's ${this.name}, I am age ${this.age} and work for ${this.work}.`
}

let alex = new Work("Alex", 40, 'SessionStack');
console.log(alex.getInfo());

Vectormike

const sayHello = function(name) {
  return `Hello ${name}`;
}

sayHello('Victor');

# => Hello Victor

Vectormike

let surname = 'Jonah';

const sayHi = function() {
  return `Hi ${surname}`;
}

Vectormike

const sayHi = function(surname) {
  return `Hi ${surname}`;
}