Notes

Here, you will find the links to the weekly notes.

Week	Theme
1 - Notes	Course Introduction: Development Environment / Technology / Tools Web Servers & HTTP Request / Response Paradigm HTTP Protocol Overview Verbs Status Codes Headers Request / Response Formats
2 - Notes	Node.js Introduction: What is Node.js / Why use it? Modules explained NPM – Node Package Manager Package.json Explained Building a simple web server using Node.js with Express.js Files / Directory Structure Downloading dependencies (Express.js) with NPM Coding a simple server using Express Sending Data back from a “get” request
3 - Notes	JavaScript Concept Review: Object Oriented JavaScript Review: Custom Objects using Object Literal Notation & Function Constructors Error handling with try / catch / finally & throw Prototypal Inheritance Advanced JavaScript / ES6 Features: Promises “var” vs “let” vs “const” “class” keyword “this” keyword & arrow functions (lexical “this”)
4 - Notes	Express.js Introduction: What is Express.js? Configuration & Settings Routing Middleware Error Handling Chrome Dev tools – Network tab, Response data
5 - Notes	Processing Forms with Express.js: HTML Forms Review Processing Forms in Express.js HTTP Post & Urlencoded data Content-Type in POST header & enctype in HTML forms body-parser module (urlencoded form data) Multer module (multipart form data – file uploads)
6 - Notes	Template Engines – Handlebars.js: Template Engines in Express.js What is a Template Engine / Why do we need one Handlebars.js Including the express-handlebars module Getting Started with Handlebars.js & Samples Block Expressions / Helpers Built-In Helpers if, unless, each Partials
7 - Notes	Relational Database: Setting up a “Postgres” Database Downloading the “sequelize” & “pg” modules Object-Relational Mapping Explained & Requesting Data Returning & Formatting data using Handlebars.js
8 - Notes	MongoDB: What is a NoSQL Database? Advances / Disadvantages Configuring a NoSQL Database (MongoDB) Downloading / installing MongoDB Driver (module) for Node Queries MongoDB Atlas Mongoose.js Schema, indexes
9 - Notes	AJAX Review / Practical AJAX Programming: Review: What is AJAX? Why do we need it? Requesting data (JSON) on the Client Side using JavaScript Fetch API Introduction Processing AJAX Requests on the server and returning data RESTful API Introduction
10 - Notes	Managing State Information: Cookies Sessions Authorization vs. Authentication
11 - Notes	Security Considerations: HTTPS Letsencypt.org, free https certificates forever Password Encryption, bcrypt.js