Node.js: A Beginner’s Guide

Introduction

First of all, Node.js is one of the most popular platforms for building efficient server-side applications. It is ideal for handling real-time data-intensive applications with its lightweight, event-driven architecture. Let’s dive into this beginner’s guide for Node.js through the basics. kickstart your journey into the world of server-side JavaScript development.

Node.js

Node.js is an open-source, cross-platform JavaScript runtime environment. It executes JavaScript code outside of a web browser. Node.js utilizes the V8 JavaScript engine developed by Google for use in Chrome. It allows code execution with lightning-fast speed. Node.js is built on the event-driven, non-blocking I/O model. It is highly efficient for handling asynchronous operations.

Installing Node.js

To get started with Node.js, head to the official Node.js website (https://nodejs.org/). Download the installer for your operating system. With Node Package Manager, Node.js allows the installation, management, and sharing of JavaScript packages easily.

Writing Your First Node.js Application

After the installation of Node.js, Start writing your first application with the steps below:

• 1. Create a new file with a .js extension
• 2. Open it in your text editor.
• 3. Example: “Hello, World!”

// hello.js console.log(“Hello, World!”);

4. Save the file and open a terminal. Navigate to the directory where you saved hello.js and run the following command: node hello.js

5. You can see ‘Hello, World!’ printed to the terminal.

Understanding Node.js Modules:

Node.js uses a module-based architecture to organize your code into reusable modules. Core modules, such as fs (File System) and http, provide essential functionality. Third-party modules can be installed via npm. Also, you can create your own click here..........