// Prototypal object
var Person = function (name) {
  this.name = name; 
}; 

Person.prototype.greet = function () {
  return this.name;
}

var albert = new Person('Albert Einstein');

console.log(albert.greet());

// Anonymous functions as methods 
var santa = {
  say: function(){
    console.log("Ho, ho, ho!");
  }
};

santa.say();

// Anonymous functions as parameters to another function
//function statement
function eventHandler(event){
  event();
}

eventHandler(function(){
  // Do a lot of event related things
  console.log("Event Fired");
});



// Closures
function privateTest(){
  var points = 0;
  
  this.getPoints = function(){
    return points;
  };
  
  this.score = function(){
    points++;
  }
}

// Private variables
var private = new privateTest();
private.score();
console.log( private.points ); 
console.log(private.getPoints());

// Timers and callbacks
/*function delay(message){
  setTimeout(function timerFn(){
    console.log( message );
  }, 10);
}

delay("Hello World!");*/

// Modules 
var superModule = (function(){
  var secret = 'supersecretkey'; 
  var passcode = 'nuke'; 
  
  function getSecret(){
    console.log( secret ); 
  }
  
  function getPassCode(){
    console.log( passcode );
  }
  
  return {
    getSecret: getSecret, 
    getPassCode: getPassCode
  }
})();


superModule.getSecret(); 
superModule.getPassCode();


var mySet = new Set();
mySet.add(1);
mySet.add("Howdy"); 
mySet.add("Foo");