Class.extend Inheritance

gistfile1.txt

var Human = Class.extend({

    init: function(name) {
          this.name = name;
          this.energy = 1;
          this.isAlive = true;
    },
    eat: function() {
          this.energy++;
    }
});

var Gibon = Human.extend({
         init: function(name) {
             this._super(name);
         },
         attack: function(target) {
             target.isAlive = false;
             this.kills++;  
         },
         kills: 0 
});

var h = new Human("Adrian"),
    g = new Gibon("Liviu");

    g.attack(h);

    alert(h.name + ' - '+ h.isAlive);   

    alert(g.name +' kills: ' + g.kills);