Exploring Constructors and Factories in Javascript - Using Object.create

index.js

var Person = require('./person')

var sean = Object.create(Person.prototype, {
  name: {
    configurable: true, // defaults to false
    enumerable: true, // defaults to false
    writable: true, // defaults to false
    value: 'Sean Hagstrom' // defaults to undefined
  },
  age: {
    configurable: true,
    enumerable: true,
    writable: true,
    value: 20
  }
})

console.log(sean.greeter()) // Hello my name is Sean Hagstrom and I am 20 years old.

person.js

function Person() {}
Person.prototype.greeting = function() {
  return 'Hello my name is ' + this.name + ' and I am ' + this.age + ' years old.'
}

module.exports = Person