Node.js is a framework for building scalable server-side applications and network programs using asynchronous JavaScript. It has a non-blocking I/O model that uses a single-threaded event loop which improves speed and reduces memory usage. Key benefits include its fast performance, non-blocking I/O, small memory footprint, use of the V8 JavaScript engine, and ability to be used for both frontend and backend development through its reactive programming approach.
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Nodejs
1. Node.js
Framework for building scalable server-side apps & network oriented Programs with Async JavaScript
Want to learn more: http://nodejs.org/
WHAT is Node.js HOW Node.js works?
Architecture
WHY Node.js?
? SPEED (Performance)
? Non-Blocking IO
? Less Memory Footprint
? V8 JavaScript Engine
? Frontend & Backend Development
In a Nutshell´It is
REACTIVE PROGRAMMING