What is Node.js? JavaScript Back-End Tutorial
In this video, you’ll learn how Node.js turns your computer into a real web server — and how you can build complete back-ends using only JavaScript.
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Most developers start with HTML, CSS, and front-end code — but the real power begins when you learn how to send data, handle requests, and connect your front-end to a database.
👉 Download Node.js here: https://nodejs.org/en
With Node.js, you can build full-stack apps, APIs, and authentication systems — all using the same language you already know.
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In this Node.js tutorial for 2025, we’ll go step by step through the fundamentals:
• What Node.js actually is — and how it runs JavaScript outside the browser.
• How to use the built-in http module to create your first web server.
• How Node.js communicates with APIs and sends responses to the front-end.
• How packages like Express simplify back-end development.
• How Node.js fits into modern full-stack setups like the MERN stack.
• What is npm
• What is the node package manager
By the end, you’ll understand how servers work — and how JavaScript alone can power complete back-end applications.
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🧠 Key Concepts Covered
• What Node.js Is and How It Works
• Setting Up a Basic Node.js Server
• Using the http Module
• Handling Requests and Sending Responses
• Communicating Between Front-End and Back-End
• Understanding npm Packages and Frameworks
• Building Full-Stack Apps with JavaScript
🏷️ Topics in this video
Node.js, Node tutorial, learn Node.js, backend development, JavaScript server, http module, npm, npm commands, node package manager, Express.js, full stack, API, backend tutorial, server setup, web development, MERN stack, JavaScript backend, Coding2GO, Node.js 2025, Node crash course, web server tutorial
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