JavaScript was originally designed to run in the browser, bringing interactivity and dynamic behavior to web pages. But with the arrival of Node.js, JavaScript broke free from the browser and entered the world of server-side development.
Node.js allows developers to build fast, scalable, and efficient backend applications using JavaScript. Whether you’re building APIs, web servers, real-time apps, or microservices, Node.js has become a go-to choice in the modern web development stack.
In this article, we’ll walk through what Node.js is, why it’s important, and how to get started building your first server-side JavaScript application.