mongodb generate unique id code example

Example 1: mongo console find by id

db.collection.find({_id:ObjectId('5e208c18d598b806c869ca37')}).pretty()

Example 2: what is objectid in mongodb

{
    "_id": ObjectId("54759eb3c090d83494e2d804")
}

Example 3: mongodb genrerate unique id

const ObjectId = require('mongodb').ObjectID
const id = new ObjectId();
console.log(id)