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Node JS

Software Information
Node.js is a very powerful JavaScript-based platform built on Google Chrome's JavaScript V8 Engine. It is used to develop I/O intensive web applications like video streaming sites, single-page applications, and other web applications.

Node.js is a very powerful JavaScript-based platform built on Google Chrome's JavaScript V8 Engine. It is used to develop I/O intensive web applications like video streaming sites, single-page applications, and other web applications. Node.js is open source, completely free, and used by thousands of developers around the world.

What is Node JS ?

  • Node.js is an open source server environment
  • Node.js is free
  • Node.js runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.)
  • Node.js uses JavaScript on the server

What can Node JS do ?

  • Node.js can generate dynamic page content
  • Node.js can create, open, read, write, delete, and close files on the server
  • Node.js can collect form data
  • Node.js can add, delete, modify data in your database

Features of Node JS

  • Asynchronous and Event Driven − All APIs of Node.js library are asynchronous, that is, non-blocking. It essentially means a Node.js based server never waits for an API to return data. The server moves to the next API after calling it and a notification mechanism of Events of Node.js helps the server to get a response from the previous API call.
  • Very Fast − Being built on Google Chrome's V8 JavaScript Engine, Node.js library is very fast in code execution.
  • Single Threaded but Highly Scalable − Node.js uses a single threaded model with event looping. Event mechanism helps the server to respond in a non-blocking way and makes the server highly scalable as opposed to traditional servers which create limited threads to handle requests. Node.js uses a single threaded program and the same program can provide service to a much larger number of requests than traditional servers like Apache HTTP Server.
  • No Buffering − Node.js applications never buffer any data. These applications simply output the data in chunks.
  • License − Node.js is released under the MIT license

Course Content

  • Introduction
  • Advantages of Node JS
  • Traditional Web Server Model
  • Node.js Process Model
  • Install Node.js
  • Working in REPL
  • Node JS Console
  • Node JS Modules
  • Functions
  • Buffer
  • Module Types
  • Core Modules
  • Local Modules
  • Module.Exports
  • Node Package Manager (NPM)
  • Installing Packages Locally
  • Adding Dependency in package.json
  • Installing Packages Globally
  • Updating Packages
  • Creating Web Server
  • Handling Http Request
  • Sending Request
  • File System
  • Read File
  • Writing File
  • Writing file Asynchronously
  • Opening File
  • Deleting File
  • Other IO Opration
  • Debugging Node JS Application
  • EventEmitter Class
  • Returning Event Emitter
  • Inherit Event
  • Serving Static File
  • Working with Middleware
  • Database Connectivity
  • Configuring
  • CRUD Operation
  • Template Engine
  • Project Work

People will forget what you said, people will forget what you did, but people will never forget how you made them feel.

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