function TheObject(first, last) {
  this.first = first;
  this.last = last;
}

TheObject.prototype.theMethod = function() {
  document.write("first : " + this.first + ", last : " + this.last + "</br>");
};

var anObject = new TheObject("Google", "Good");
anObject.theMethod();

var TheAnotherObject = function(first, last){
   return {
     first : first,
     last : last,

     theMethod : function() {
       document.write("first : " + this.first + ", last : " + this.last + "</br>");
     }
   };
 }

 var anotherObject = TheAnotherObject("Yahoo", "Good");
 anotherObject.theMethod();