Function Constructor - Node.js Object

Node.js examples for Object:Constructor

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Description

Function Constructor

Demo Code

var john = {//from w ww  .j av a 2 s.  c  o  m
  name: "John",
  yearOfBirth: 1990,
  job: "teacher"
};
var Person = function(name, yearOfBirth, job) {
  this.name = name;
  this.yearOfBirth = yearOfBirth;
  this.job = job;
};

Person.prototype.calculateAge = function() {
  if (2017 - this.yearOfBirth === 1) {
    console.log(this.name + " is " + (2017 - this.yearOfBirth) + " year old.");
  }
  else {
    console.log(this.name + " is " + (2017 - this.yearOfBirth) + " years old.");
  }
}

Person.prototype.lastName = "Smith";

var john = new Person("John", 1990, "teacher");
var todd = new Person("Todd", 1979, "coder");
var brenda = new Person("Brenda", 1978, "massage therapist");
var emma = new Person("Emma", 2016, "baby");

john.calculateAge();
todd.calculateAge();
brenda.calculateAge();
emma.calculateAge();

var Car = function(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}

var civic = new Car("Honda", "Civic", 2016);
var rav = new Car("Toyota", "Rav4", 2002);

console.log(todd.name + " drives a " + civic.year + " " + civic.make + " " + civic.model + ".");
console.log(brenda.name + " drives a " + rav.year + " " + rav.make + " " + rav.model + ".");

console.log(john.name + " " + john.lastName);
console.log(todd.name + " " + todd.lastName);

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