Introduction To NodeJs?

➤ What Is NodeJs?

• Node.js is a server-side platform built on Google Chrome's JavaScript Engine (V8 Engine).
• Node.js was developed by Ryan Dahl in 2009.
• Node.js is an open source, cross-platform runtime environment for developing server-side and networking applications.
• Node.js applications are written in JavaScript, and can be run within the Node.js runtime on OS X, Microsoft Windows, and Linux.

➤ Node.js = Runtime Environment + JavaScript Library

➤ Features of Node.js

• Asynchronous and Event Driven.
• Very Fast.
• No Buffering.

➤ Where to Use Node.js?

• I/O bound Applications.
• Data Streaming Applications.
• Data Intensive Real-time Applications (DIRT).
• JSON APIs based Applications.
• Single Page Applications.