node-master-guide

🥇 Node Js Master Guide

Node.js is an open-source, cross-platform, back-end JavaScript runtime environment that allows developers to build scalable, high-performance applications. It was created in 2009 by Ryan Dahl and has since become a popular platform for building server-side applications and network applications.

Node.js is built on the V8 JavaScript engine, the same engine used by the Google Chrome browser. It uses an event-driven, non-blocking I/O model, which makes it efficient and lightweight. This allows developers to build applications that can handle a large number of concurrent connections with minimal overhead.

📦 Download Node —

JavaScript Environment & Execution

       JavaScript Runtime
              │
       ┌──────┴──────┐
       │             │
   JS Engine     Web APIs
       │             │
   Call Stack    DOM / Timer
       │          Fetch
       └──────┬──────┘
              │
          Event Loop
              │
        Callback Queue

1. Prerequisites

Before diving into Node.js, ensure you have a basic understanding of the following:

• JavaScript Basics
• Variables (let, const)
• Functions (Declaration, Arrow Functions, Callback Functions)
• Promises and Async/Await
• ES6+ Features (Destructuring, Spread/Rest, Template Literals)
• Modules (import/export)
• Basic Knowledge of Backend Development
• HTTP Protocol (Methods like GET, POST, PUT, DELETE)
• RESTful APIs
• JSON format
• Basic CLI (Command Line Interface) usage

NPM Solution

Set-ExecutionPolicy RemoteSigned

Set-ExecutionPolicy Unrestricted

Set-ExecutionPolicy -Scope CurrentUser RemoteSigned -Force

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