Object create JavaScript pattern

object-create.js

var vector = {
    _x: 1,
    _y: 2,
    
    create: function(x, y) {
        var obj = Object.create(this);
        
        obj.setX(x);
        obj.setY(y);
        
        return obj;
    },
        
    setX: function(value) {
        this._x = value;
    },
    
    getX: function() {
        return this._x;
    },
    
    setY: function(value) {
        this._y = value;
    },
    
    getY: function() {
        return this._y;
    }
};

resources.txt

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create
http://jaxenter.com/a-modern-approach-to-object-creation-in-javascript-107304.html
http://www.adobe.com/devnet/archive/html5/articles/javascript-object-creation.html