JAVASCRIPT

mongoose return full object after inserting data to db

var instance = new TestingModel()
console.log(instance._id) // => 4e7819d26f29f407b0...

mongoose return full object after inserting data to db

var instance = new TestingModel()

instance.test = 'blah'

instance.save(function(err){
    console.log(instance._id) // => 4e7819d26f29f407b0...
})