MaClasse = {say_hello:function(){ console.log("hello, i'm ",this.name); } }

// Object {say_hello: function}

var Player = function(name) { this.name = name };

// undefined

Player.prototype = MaClasse

// Object {say_hello: function}

var John = new Player('joe');

// undefined

John.say_hello()

// hello, i'm  joe

var Player = function(name) {

  var name = name;

  return {

    say_hello: function () {

        console.log("hello, i'm", name);

    }

  }  

};

// undefined

var Jack = Player('jackie')

// undefined

Jack.say_hello()

// hello, i'm jackie

__extends = function(child, parent) {

  for (var key in parent) {

    if ({}.hasOwnProperty.call(parent, key)) {

      child[key] = parent[key];

    }

  } 

  function ctor() { this.constructor = child; } 

   ctor.prototype = parent.prototype; 

   child.prototype = new ctor(); 

   child.__super__ = parent.prototype; 

   return child; 

};



__extends(Classe1, SuperClasse);