Node.js FAQ: Top Questions

1. What is Node.js?

Node.js is an open-source, server-side JavaScript runtime built on Chrome’s V8 engine, enabling developers to run JavaScript outside the browser for building scalable, non-blocking applications.

Key points:

V8 Engine: Compiles JavaScript to native machine code for high performance.
Non-Blocking I/O: Uses an event-driven model for asynchronous operations.
Use Case: Web servers, APIs, real-time apps (e.g., chat, streaming).
npm: Package manager for managing dependencies.
Cross-Platform: Runs on Windows, macOS, Linux.

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