function a() {}

b = function() {}

typeof a;
typeof b;

aclass = function () {
	// this.foo = 1;
	this.setFoo(1);
	return this;
}

typeof aclass;

aclass.prototype.setFoo = function (v) {
	this.foo = v;
}

anObject = new aclass() ;

anObject.setFoo(2);

anObject.foo;

// anobject = aclass();

// anobject.setFoo(3);