NODEJS IMPORTANT THINGS!

1. What is Nodejs?
Node.js is an open-source and cross-platform runtime environment built on Chrome’s V8 JavaScript engine for executing JavaScript code outside of a browser.

2. What is Middleware?

Middleware framework for handling the different routing.
it works between the request and response cycle.
Middleware gets executed after the server receives the request and before the controller actions send the response.

_Advantages of using middleware: _
Middleware can process request objects multiple times before the server works for that request.
Middleware can be used to add logging and authentication functionality.
Middleware improves client-side rendering performance.
Middleware is used for setting some specific HTTP headers.
Middleware helps for Optimization and better performance.

3. What is Node Package Manager?
Node Package Manager (NPM) is a command line tool that installs, updates or uninstalls Node.js packages in your application.
In another words:
NPM (Node Package Manager) is the default package manager for Node.js