var mongoose = require('mongoose');
mongoose.connect('mongodb://localhost/test');
var kittySchema = new mongoose.Schema({
  name: String
});
var Kitten = mongoose.model('Kitten', kittySchema);
var fluffy = new Kitten({ name: 'fluffy' });
fluffy.save(function (err, fluffy) {
  if (err) return console.error(err);
  console.log('saved');
});

var mongoose = require('mongoose');
//WITHOUT CONNECT!!!
var kittySchema = new mongoose.Schema({
  name: String
});
var Kitten = mongoose.model('Kitten', kittySchema);
var fluffy = new Kitten({ name: 'fluffy' });
fluffy.save(function (err, fluffy) {
  if (err) return console.error(err);
  console.log('saved');
});