Mongoose | findByIdAndRemove() Function

20 May, 2020
The findByIdAndRemove() function is used to find a matching document, remove it, passing the found document (if any) to the callback.
Installation of mongoose module:
You can visit the link to Install mongoose module. You can install this package by using this command.npm install mongooseAfter installing mongoose module, you can check your mongoose version in command prompt using the command.npm version mongooseAfter 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
You can visit the link to Install mongoose module. You can install this package by using this command.npm install mongoose
npm install mongoose
After installing mongoose module, you can check your mongoose version in command prompt using the command.npm version mongoose
npm version mongoose
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
node index.js
Filename: index.js
const mongoose = require('mongoose');  // Database connectionmongoose.connect('mongodb://127.0.0.1:27017/geeksforgeeks', {    useNewUrlParser: true,    useCreateIndex: true,    useUnifiedTopology: true,    useFindAndModify: false});  // User modelconst User = mongoose.model('User', {    name: { type: String },    age: { type: Number }});  // Find a document whose // user_id=5eb987e377d884411cac6b69 and remove itvar user_id = '5eb987e377d884411cac6b69';User.findByIdAndRemove(user_id, function (err, docs) {    if (err){        console.log(err)    }    else{        console.log("Removed User : ", docs);    }});
Steps to run the program:
The project structure will look like this:Make sure you have installed mongoose module using following command:npm install mongooseBelow 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:Run index.js file using below command:node index.jsAfter the function is executed, you can see in the database that the particular user is removed as shown below:
The project structure will look like this:
Make sure you have installed mongoose module using following command:npm install mongoose
npm install mongoose
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:
Run index.js file using below command:node index.js
node index.js
After the function is executed, you can see in the database that the particular user is removed as shown below:
So this is how you can use the mongoose findByIdAndRemove() which finds a matching document, removes it, passing the found document (if any) to the callback.
Mongoose
MongoDB
Node.js
Web Technologies
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