Jquery, angularjs, and node.js?

Question

what are they and which one should I learn and why? I know that all of them are related to Js but how are they exactly related?

Answer 1

JQuery is a library (client side)jQuery is a fast, small, lightweight, "write less, do more", and feature-rich
JavaScript library.
AngularJS is an MVC framework (client side)

AngularJS is a client-side JavaScript MVC framework to develop a dynamic web application.
Node.js is a platform and runtime environment (server side)

Node.js is an open source, cross-platform runtime environment for developing server-side and networking applications built on Google Chrome's JavaScript Engine (V8 Engine). Node.js applications are written in JavaScript, and can be run within the Node.js runtime on OS X, Microsoft Windows, and Linux
[stackoverflow]
https://stackoverflow.com/questions/41234070/difference-between-jquery-vs-angularjs-vs-node-js