Connect to MongoDB and insert many data

insert-many.js

const mongodb = require('mongodb')
const MongoClient = require('mongodb').MongoClient
const url = 'mongodb://localhost:27017/mydb'

MongoClient.connect(url, function(err, db){
    if (err) throw err;
    console.log('Connected to mydb')

    const dbo = db.db('mydb')
    
    const users = [
        {username: 'eric', name: 'Eric Clapton', email: '[email protected]'},
        {username: 'jovi', name: 'Jon Bon Jovi', email: '[email protected]'},
        {username: 'satriani', name: 'Joe Satriani', email: '[email protected]'},
    ]

    dbo.collection('users').insertMany(users, function(err, result){
        if (err) throw err;

        console.log(users.length + ' users inserted')

        db.close()
    })

})