Super Simple JavaScript & Inheritance Example

jsandinheritance.js

// Generic Object

function Spaceship(){}
Spaceship.prototype.navigate = function(distance, direction){
  console.log(['moved',distance,'miles towards',direction].join(' '))
  return this
}

// Specific Spaceships

function BWing(){
  this.range = 200
}

BWing.prototype = new Spaceship()

BWing.prototype.shoot = function(direction){
  console.log(['shot missile', this.range,'miles', direction].join(' '))  
}

// Create new BWing ship!

var bwing1 = new BWing()

bwing1.navigate(400, 'south')
bwing1.shoot('north')