inheritance in javascript

inheritance.js

//More info: http://javascript.crockford.com/private.html

function Vehicle() {

   this.pepe = function(){
   console.log('pepe');
  }; 
}
 
Vehicle.prototype.drive = function () {
  console.log("vrooom...");
}

 
 
function Car() {
}
 
Car.prototype = new Vehicle();
 
Car.prototype.honk = function() {
  console.log("honk honk");
  this.pepe();
}
 
 
var myCar = new Car();
 
myCar.honk();  // outputs "honk honk" "pepe"
myCar.drive();  // outputs "vrooom..."

objectComposition.js

//Object composition example

function getVehicle() {
  var obj = {};
  obj.pepe = function(){
    console.log('pepe');
  }; 
  obj.drive = function () {
    console.log("vrooom...");
  };
  
  return obj;
}

function getCar(vehicle){
 vehicle.honk =  function() {
  console.log("honk honk");
  vehicle.pepe();
  };
  
  return vehicle;
}
 
var myCar = getCar(getVehicle());
 
myCar.honk();  // outputs "honk honk" "pepe"
myCar.drive();  // outputs "vrooom..."