Gain insights into Node.js, its components, and build patterns. Explore APIs, create modules, and build a REST API using Express. Discover authentication with Passport.js and JSON web tokens.

docker.tar.gz

Chapter 1

Chapter 2 Chapter 3.1

Chapter 3.2

Chapter 4.1

Chapter 3.3

Chapter 4.2-Postman

Chapter 5-Postman

Chapter 6.1

Chapter 2-Exercise

Chapter 4.2-Postman-copy

Chapter 5-Postman-copy

Built on Chrome’s V8 JavaScript engine, Node.js is a runtime environment that enables JavaScript to run outside the browser. This course will help you learn the fundamentals of Node.js to build portable applications.

You’ll learn about the components and build patterns of Node.js. You’ll also explore the API to learn how to create modules and write code to unique data files. Moreover, you’ll delve into the features and practices of JavaScript and build a REST API using the Express framework from scratch. This will set up authentication tokens with Passport.js and JSON web tokens, and finally build a live trivia game with Socket.IO.

By the end of this course, you’ll be equipped with the extensive knowledge to build rich and comprehensive Node.js applications running on the server with JavaScript.

Learn Node.js from Scratch

# Key takeaways

Let’s take a moment to reflect on what we’ve learned in this chapter:

- Arrow functions were introduced in ES6, and they provide a simpler syntax for creating functions. They also provide a more intuitive handling of `this`. The `this` keyword always represents the object that defined the arrow function.


- The `var` variables can be updated and redeclared within its scope. The `let` variables can be updated but not redeclared within its scope. The `const` variables can neither be updated nor redeclared within its scope. The `var` keyword is globally or function scoped, whereas `const` and `let` are block scoped. So, a variable declared within a block can only be accessed within that block.


- The destructuring syntax allows us to easily extract data from arrays or objects into separate variables.

- The spread ... syntax allows us to make a shallow copy of an object.

- Modules allow developers to organize their codebase within separate files or components for better reusability, flexibility, shareability, and overall maintenance. Multiple modules can be composed together to create an application.

- The `async`/`await` statements simplify the syntax for making asynchronous calls with JavaScript. They make asynchronous code look like synchronous code. They help us avoid deeply nested promise chains that quickly lead to messy code.

Let's highlight the main contents of this chapter.

Before We Begin

Node.js Overview

The Node.js API

JavaScript Essentials Review

Building a RESTful API with Express

Authentication with Passport.js and JSON Web Tokens

Build a Live Trivia Game with Socket.IO

Wrap Up!

Appendix

Wrap Up

Key takeaways