var set = require('set');
var person = { name: 'ulysses' };
set(person, 'name', 'achilles');
person.name; // achilles

var set = require('set')
  , model = require('model');
var Person = model('person').attr('name');
var person = new Person({ name: 'ulysses' });
set(person, 'name' 'achilles'); 
person.name(); // achilles

var Backbone = require('backbone')
  , set = require('set');
var person = new Backbone.Model({ name: 'ulysses' });
set(person, 'name', 'achilles')); 
person.get('name'); // achilles