Node JS Training in Bangalore

• What is Asynchronous Programming in JavaScript?
• JavaScript EventLoop
• Callbacks
• Callback Hell
• Promises
• Promise Chaining
• Async Await

Hands-on:

• Demonstrate the use of callbacks, promises, and async-await

• Synchronous vs Asynchronous IO
• File Constants (__dirname and __filename)
• Synchronous File Operations
• Asynchronous File Operations
• FileSystem Watcher

Hands-on:

• Write Node.js code to asynchronously perform file operations
• Write Node.js code to log to the console if a file changes in a directory

• What are Streams in Node.js
• Reading and Writing Streams
• Understanding and using EventEmitter class
• Emitting Events
• Responding to events

Hands-on:

• Read data from a file using Input Stream and display on screen.

• What is HTTP
• How Does HTTP Work?
• Standard HTTP response codes
• Node HTTP Module
• Processing Form Data
• Processing Query Strings from URL
• Sending Back response

Hands-on:

• Create a simple HTTP Server using Node

• What is ExpressJS?
• Installing ExpressJS
• Creating a simple HTTPServer using ExpressJS
• Routing in Express
• Templating in Express
• Templating using JADE
• Middlewares

Hands-on:

• Create a simple ExpressJS Application with routes and templates

• What is MongoDB
• MongoDB Advantages
• Documents
• Collections
• Mongoose ODM
• Creating Schemas and Models using mongoose
• CRUD Operations in MongoDB using Mongoose and Express

Hands-on:

• Create a simple TodoList Application using ExpressJS and Mongoose

• What is Unit Testing?
• Why Unit Testing?
• Unit Testing Frameworks
• What are Mocks and Stubs?
• Writing and Running tests in Express

Hands-on:

• Write and run some unit tests to test a module

• What is a REST API
• Why REST API?
• Data Exchange Formats
• JSON vs. XML
• Monolith Architecture
• Microservice Architecture

Hands-on:

• Build a small application using the REST API