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Backend Development with Node.js and Express.js
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Backend Development with Node.js and Express.js

Backend Development with Node.js and Express.js

1. Introduction
Backend Role in WebWhat is Node.js?Key Advantages of Node.js Installing Node.jsCreating Your First Node.js AppChallenge: First Node App"Introduction" Section Sum Up
2. Console Applications
OverviewWhat are Console Applications?Introduction to the FileSystemChallenge: FileSystemCommand Line Interface (CLI) AppsCommander ModuleReadline ModuleConsole App: Guessing GameWorking with DirectoriesConsole App: DirInspect Pro"Console Apps" Section Sum Up
3. Express.js Framework
OverviewRole of Express.js in Web DevelopmentHTTP RequestsSetting up an Express AppCreating RoutesTesting with PostmanMiddlewareBuilt-in MiddlewareCustom Middleware"Express.js Framework" Section Sum Up
4. Developing REST API
OverviewREST API Main ConceptsProject StructureSetting Up the Entry PointImplementing the "GET ALL POSTS" RouteImplementing the "GET POST BY ID" RouteImplementing the "CREATE POST" RouteImplementing the "UPDATE POST BY ID" RouteImplementing the "DELETE POST BY ID" RouteStarting and Testing the APIConclusion and Next Steps

bookKey Advantages of Node.js

Discover the reasons behind Node.js's prominence.

Harnessing the Power of the V8 Engine 🔥

Node.js is powered by Google's renowned V8 engine. Now, don't be misled by the term "engine" – we're not talking about cars here! 😄.

This exceptional engine compiles JavaScript code into highly efficient machine code, igniting the speed and responsiveness that characterize Node.js applications.

Note

Machine code is a language that computers understand directly. It consists of binary instructions that tell the computer's CPU what to do. In the context of Node.js, the V8 engine compiles JavaScript code into machine code, making it faster and more efficient for the computer to execute.

The Asynchronous Model and Event Loop 🌀

Node.js is a game-changer due to its unique architecture. Unlike traditional server-side environments that suffer from performance issues when handling multiple requests, Node.js utilizes an event-driven, non-blocking model to manage numerous connections simultaneously.

The result 🧐? Highly scalable applications that seamlessly handle extensive user interactions and requests.

Empowering Developers with NPM (Node Package Manager) 📦

NPM, bundled with Node.js, enhances the development experience as a repository of numerous open-source libraries and tools. These resources are designed to boost the capabilities of Node.js applications, offering a range of pre-built solutions for improved functionality.

NPM also simplifies the complex task of managing library versions, freeing developers to focus on crafting exceptional application logic.

Node.js, with its V8 engine, asynchronous architecture, and vast collection of NPM packages, empowers developers to create lightning-fast and highly scalable web applications.

1. What contributes to the speed and responsiveness of Node.js applications?
2. How does Node.js handle multiple connections concurrently without waiting for previous operations to complete?
What contributes to the speed and responsiveness of Node.js applications?

What contributes to the speed and responsiveness of Node.js applications?

Select the correct answer

How does Node.js handle multiple connections concurrently without waiting for previous operations to complete?

How does Node.js handle multiple connections concurrently without waiting for previous operations to complete?

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Section 1. Chapter 3
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