Answer 1

Hi Ishola
yes you are correct, it's really about the libraries, otherwise it's all JavaScript.
You just need to be aware that Node has a strong focus on Asynchronous programs, so you will need to get familiar with key concepts like Promises, Partial application and Currying.
Many Node ideas have found their way back into the Client side, such as Modules, NPM package management, and you can use a lot of Node live in the Browser using Browserify.
http://browserify.org/

Answer 2

By the way you can play with Node on your phone using Dory on the play store

Answer 3

Nope just do NPM install and go for it

Answer 4

It allows you to use Node Modules in the Browser.
If you run Windows, you can get started with Node very easily
http://blog.teamtreehouse.com/install-node-js-npm-windows

Answer 5

Get to know NPM. There are thousands of modules/packages available. NPM is to JavaScript what pip install is to Python.
Node Runs on an instance of the Chrome V8 engine, you use the same tools to edit and programme as your normal browser development.

Answer 6

Nope