CODE EXAMPLE FOR JAVASCRIPT

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);
    }
  });
});