Node.js Beyond The Basics Pdf Apr 2026

// Creating a module // greet.js module.exports = function greet(name) { console.log(`Hello, ${name}!`); };

// Using async/await const fs = require('fs').promises; async function readFile() { try { const data = await fs.readFile('file.txt'); console.log(data.toString()); } catch (err) { console.error(err); } }

Node.js provides a built-in module system that allows developers to organize and reuse code. Dependencies can be managed using npm or yarn. node.js beyond the basics pdf

Node.js can be used with various databases, including MongoDB, PostgreSQL, and MySQL. Mongoose is a popular ORM for MongoDB.

// Using a module const greet = require('./greet'); greet('John'); // Output: Hello, John! // Creating a module // greet

const userSchema = new mongoose.Schema({ name: String, age: Number });

const assert = require('assert'); const greet = require('./greet'); Mongoose is a popular ORM for MongoDB

passport.deserializeUser((username, done) => { done(null, { username }); });

Node.js provides various libraries for authentication and authorization, including Passport.js.