Node.js Runtime for Cross-Platform JavaScript Execution

Node.js, abbreviated as Node, is an open-source, cross-platform JavaScript runtime environment that allows executing JavaScript code outside the browser. Founded by Ryan Dahl in 2009, Node.js is designed for high-performance web servers and network applications. It utilizes the Google Chrome V8 JavaScript engine and runs on Windows, Linux, Unix, and Mac OS X. Node.js features an event-driven, non-blocking I/O model, making it ideal for handling concurrent connections in real-time applications like online games, chat apps, and messaging services. Its modular architecture and npm (Node package manager) facilitate code sharing and reuse among the community, fostering a robust ecosystem. Node.js is not limited to server-side development; it is also used in building toolchains, desktop applications, IoT devices, and more. With capabilities for file system operations, database handling, and network requests, Node.js enables developers to write full-stack applications in JavaScript, significantly enhancing development efficiency and convenience. Many large enterprises and organizations, including Netflix, PayPal, and Walmart, leverage Node.js to improve application performance, streamline development processes, and respond faster to market demands.