Introduction to Node.js

Node.js Essentials

Introduction to Node.js

Overview

This book will take an in-depth look at Node.js' essential concepts as it is crucial to write clean, maintainable, and efficient code.

Overview of Node.js

Node.js has emerged as one of the most influential and revolutionary technologies in web development. It is a powerful JavaScript runtime environment that has gained immense popularity among developers in recent years. In this article, we will explore what Node.js is, why it has become a preferred choice for web development, and its fascinating history.

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Understanding the Core Node Environment

Understanding the Node environment is crucial to building scalable systems with it. The first principle to remember is that the Node.js engine chooses clarity and simplicity over complexity and unpredictable codes.

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Understanding Asynchronous Event-Driven Programming

Node's primary organizational principle is eliminating blocking processes through event-driven, asynchronous I/O.

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Setting Up Node.js

Let's see how you can create your first Node.js application. This section will show you how to run Node.js scripts from the command line.

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Exploring Node.js Modules

A module system allows us to split and include code and import code written by other developers whenever required.

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Package Manager in Node

In many ways, the success of Node.js is due to growth in the number and quality of packages available to the developer community, distributed via the Node package management system (NPM).

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Building APIs in Node

Working with Node.js to create APIs is a broad topic because it covers building scalable APIs and designing enterprise-level APIs in Node.js. We will cover API and API Design for these backend engineering resources. Here we will build a simple API to demonstrate how to use the http module to build APIs without any framework.

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Using Node.js Framework

As demonstrated, creating scalable APIs with Node.js without any framework is possible. But it is a difficult task to manage and requires high mastery. You will need to make sure you cover lots of edge cases and create bug-free codes.

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