"use strict" function Null(device_id, cb) { var self = this cb = cb || function() {} this.universe = new Buffer(512) this.universe.fill(0) } Null.prototype.update = function(u) { for(var c in u) { this.universe[c] = u[c] } console.log(this.universe) } Null.prototype.get = function(c) { return this.universe[c] } module.exports = Null