Create user using nodejs in mongodb

create_user.js

var mongoose = require('mongoose');
var User = require('./models/user')

mongoose.connect('mongodb://localhost/mongoose_basics', { useNewUrlParser: true, useUnifiedTopology: true }, function (err) {

    if (err) throw err;

    console.log('Successfully connected');
    let newUser = User({
        name: 'demo',
        email: 'demo@demo.com'
    });

    // save the user
    newUser.save(function (err) {
        if (err) throw err;
        console.log('User created successfully.');
    });

});