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Mongoose | findOneAndRemove() Function

Last Updated : 20 May, 2020
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The findOneAndRemove() function is used to find the element according to the condition and then remove the first matched element.

Installation of mongoose module:

  1. You can visit the link to Install mongoose module. You can install this package by using this command.
    npm install mongoose
  2. After installing mongoose module, you can check your mongoose version in command prompt using the command.
    npm version mongoose
  3. After that, you can just create a folder and add a file, for example index.js. To run this file you need to run the following command.
    node index.js

Filename: index.js

const mongoose = require('mongoose');
// Database connection
    useNewUrlParser: true,
    useCreateIndex: true,
    useUnifiedTopology: true,
    useFindAndModify: false
// User model
const User = mongoose.model('User', {
    name: { type: String },
    age: { type: Number }
// Find only one document matching the
// condition(age>=5) and remove it
User.findOneAndRemove({age: {$gte:5} },
                function (err, docs) {
    if (err){
        console.log("Removed User : ", docs);

Steps to run the program:

  1. The project structure will look like this:
    project structure
  2. Make sure you have installed mongoose module using the following command:
    npm install mongoose
  3. Below is the sample data in the database before the function is executed. You can use any GUI tool or terminal to see the database, like we have used Robo3T GUI tool as shown below:
  4. Run index.js file using below command:
    node index.js

  5. After the function is executed, You can see the database as shown below:
    new Database

So this is how you can use the mongoose findOneAndRemove() function which finds the document according to the condition and then removes the first matched document.

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