var Ninja = Proto.extends({

    // Objects doesn't affect implementations.

    options:{ ninjateste:'**' },

    kill:function(flush){

        console.log('kill '+ flush);

        if(flush) this.flush();

    }

});

​

var Human = Proto.extends({

    constructor:function(){

        console.log('i r human', this.$protoID);

        this.super();

    }

});

​

var ChuckNorris = Human.extends({

    options:{ skills:'ninja' },

    implements:[Ninja],

    constructor:function(){

        console.log('i r badass and.. ', this.$protoID);

        this.super();

        this.kill('with thumb');

    },

    rise:3

});

​

var Goku = ChuckNorris.extends({

    options:{ superpowers:['unknown'] },

    constructor:function(){

        console.log('Hello! I\'m goku and.. ', this.$protoID);

        this.super();

    },

    rise:function(){

        // override rise property

        // super returns rise property from superclass

        console.log('wait for', this.super(), 'days...');

        return this.super();

    }

});

​

var chuck = new ChuckNorris();

chuck.kill('again!');

console.log('chuck:', chuck instanceof Proto); // true

console.log('chuck:', chuck instanceof Ninja); // false

console.log('chuck:', chuck instanceof Human); // true

console.log('chuck:', chuck instanceof ChuckNorris); // true

console.log('chuck.options:', chuck.options);

console.log('chuck:', chuck);

​

var goku = new Goku();

goku.rise();

console.log('goku:', goku);