Javascript object does not create new Keys

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I am using Mongodb and returns me all the right data but when I want to add a new Key simply does not create.

exports.validaLogin = function(req, res) {
login.find({
  "nome": req.query.usuario
},function (err, logins) {
  if(err) { 
    return handleError(res, err);
  }
  var usuario = logins[0]
  if(usuario.senha == req.query.senha){
    usuario.status = 1
    console.log("aqui")
  } else {
    console.log("nao")
    usuario.status = 0
  }
  console.log(usuario)
  return res.status(200).json(usuario);
}); };

In my console.log after validation the result is this, in both the if and the other. 

{ _id: 59fa1a69349c9f382f0a2892,
   nome: 'qqqqqqq',
   telefone: '189789469',
   curso: 'eeeeee',
   email: 'teste',
   senha: 2651
   codigo: 2,
__v: 0 }
javascript json node.js

  • And where is the code for creation? You can post it?

  • You are referring to the bank creation code ?

  • Exact, the code that generates the error (failure to create the key), unless I misunderstood your question

  • It shows no error code, I try to assign the key status and in the console.log I get the key status does not exist.

  • If you do var usuario = Object.merge({}, logins[0]); already works?

1 answer

1


Mongo uses a getter for the data.
If you want to change the value (or add new data), the usuario._doc.

let usuarioCopy = usuario._doc; usuarioCopy.status = 0; console.log(usuarioCopy);

Note: In this example of mine, userCopy is not really a copy. change it changes user data. _doc.

  • 1

    The good now I understood better as Mongo returns me the data, I’m starting with Mongo and do not understand well yet, thanks

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