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mongoose find one and update with new field

//                                                         V--- THIS WAS ADDED
Cat.findOneAndUpdate({age: 17}, {$set:{name:"Naomi"}}, {new: true}, (err, doc) => {
    if (err) {
        console.log("Something wrong when updating data!");
    }

    console.log(doc);
});

Update data using mongoose

const res = await Person.updateOne({ name: 'Jean-Luc Picard' }, { ship: 'USS Enterprise' });
res.n; // Number of documents matched
res.nModified; // Number of documents modified

mongoose updateone example

// Update the document using `updateOne()`
await CharacterModel.updateOne({ name: 'Jon Snow' }, {
  title: 'King in the North'
});

// Load the document to see the updated value
const doc = await CharacterModel.findOne();
doc.title; // "King in the North"

MONGOOSE update

   Modelomodel
      .findOne({ Id: Id })
      .update(body)
      .exec()

How to update one mongoose db

model.updateOne({_id:'YOURID'}, {DATA YOU WANT TO UPDATE}, (err, result) => {
	if(err) throw err
    
    console.log(err)
})

Mongoose UPDATE

// Update a user's info, by username
/* We’ll expect JSON in this format
{
  Username: String,
  (required)
  Password: String,
  (required)
  Email: String,
  (required)
  Birthday: Date
}*/
app.put('/users/:Username', (req, res) => {
  Users.findOneAndUpdate({ Username: req.params.Username }, { $set:
    {
      Username: req.body.Username,
      Password: req.body.Password,
      Email: req.body.Email,
      Birthday: req.body.Birthday
    }
  },
  { new: true }, // This line makes sure that the updated document is returned
  (err, updatedUser) => {
    if(err) {
      console.error(err);
      res.status(500).send('Error: ' + err);
    } else {
      res.json(updatedUser);
    }
  });
});

update mongoose

const MyModel = mongoose.model('Test', new Schema({ name: String }));
const doc = new MyModel();

doc instanceof MyModel; // true
doc instanceof mongoose.Model; // true
doc instanceof mongoose.Document; // true

mongoose update

Model.update = function (query, doc, options, callback) { ... }

update mongoose

CommentaireArticleModel.update({ pseudo : 'Atinux'}, { pseudo : 'Nikita' }, { multi : true }, function (err) {
  if (err) { throw err; }
  console.log('Pseudos modifiés !');
});