Mongoose findbyid() return null

Question

I am trying to find a record in my mongo db by its id

No matter I use findbyid(), findone(id,...), it return null

here is my code. what is the solution?

Answer 1

Convert the string into ObjectId type before querying

var ObjectID = require('mongodb').ObjectID;   
async function updateData(id){
  const result = await Data.findById(new ObjectID(id));
  console.log(result);
}

refer: this answer.