gistfile1.js

function Tiger (){
    this.name = "";
    this.isKing = "";

    return this;
}

Tiger.prototype = {
  setName : function (name){
    this.name = name;
  },
  getName : function (){
    return  this.name + (this.isKing ? ", who is the king": ", who is a nobody");
  }
}

// what if we do it this way?
Tiger.coronate = function (){
  this.isKing = true;
}

var tigerKing = new Tiger();
tigerKing.setName('Tiger King');

tigerKing.coronate(); // Aghg!! Error! Undefined!!!
tigerKing.getName(); // "Tiger King, who is a nobody"

// .coronate is actually a static method on the Tiger function. Boo. It doesn't exist for instances of Tiger like tigerKing. 
// using sneaky tricks we can 'call' coronate and have it work on our tigerKing object... but this is advanced stuff.
Tiger.coronate.call(tigerKing);
tigerKing.getName(); // "Tiger King, who is the king"