Nodejs

                                    When you install Node.js, you can do these things:
Make web servers
Run JavaScript without an HTML file
...and more!

                                    Node.js = Runtime Environment + JavaScript Library

                                    Method: GET
URL: /table
Path_Name: /table
Query: "{}"

                                    NodeJs is Runtime environment for executing Js code, Outside Of Browser.
it is build upon Chrome v8 engine using c++.

Uses of Node:

-can build back-end services like API which can be used as backend for 
diferent platform Apps(Website, MobileApp, Desktop App).

-is Asynchronous by default means Single thread handle all the request
and response, thereby providing more speed, highly scalable, built time half 
compare to other tech in market, 33% few line of code, 40% fewer files,
can handle 2times more requests/secs, 35% fast response time.
// Hope you like the short Description.

                                    Node js allows you to run javascript outside of your browser
ex: you are able to run it on your terminal