What is Node.js?

Node.js simply called nodejs, is a cross-platform open-source javascript run time environment that runs on a V8 engine and executes js code outside a browser.

previously javascript was only run on the only browser (client-side) but after introducing node.js JavaScript become a programming language with work on client-side(on the browser) and serverside both.

Node.js FAQ

Q. What is Node JS used for?

Ans: This is used for non-blocking, event-driven servers

Q. Is Node JS a programming language?

Ans: No, its a JavaScript run time envirnoment

Q. Is Node JS a framework

Ans: No, it's a JavaScript run time environment. Exprejs is popular nodejs framework

Q. Features of Node JS

• Asynchronous and Event-Driven
• Single-Threaded but Highly Scalable
• MIT licensed

Q. Node JS vs JavaScript

Ans: Node.js is a runtime environment while JavaScript is the programming language

Q. How to download Node js

Ans: Follow the link to download node.js https://nodejs.org/en/download/

Q. Is NodeJS a backend framework?

Ans: Node.js is not a framework it's a run-time environment.

Q. Is node js a front-end framework?

Ans: No, it's a JavaScript run-time environment for back-end

Q. Is node JS easy to learn?

Ans: Totaly depends on learner but yes if you have already knowledge of development. 

Q. Is node JS frontend or backend?

Ans: Backend

Q. How do I write HTML code in node JS?

Ans: we can Host an Html file in a node.js server and can render it as a response

Q. What is express JS?

Ans: expressjs is the most popular web MVC framework on node.js