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🧠 JavaScript Course Outline

Overview

Complete roadmap to mastering JavaScript — from fundamentals to advanced concepts — through structured learning, hands-on projects, and real-world applications.

1. Introduction to JavaScript

  • What is JavaScript?
  • History and Evolution (ES5 → ES2025)
  • How JavaScript Works (Runtime, Engine, Event Loop)
  • Setting Up the Development Environment
  • Running JavaScript in Browser and Node.js

2. Core Fundamentals

  • Variables (let, const, var)
  • Data Types (String, Number, Boolean, Null, Undefined, Symbol, BigInt)
  • Type Conversion and Coercion
  • Operators and Expressions
  • Comments and Code Style

3. Control Flow

  • Conditional Statements (if, else, switch)
  • Loops (for, while, do...while)
  • break and continue
  • Error Handling (try...catch, throw)

4. Functions

  • Function Declaration and Expressions
  • Parameters and Return Values
  • Arrow Functions
  • Default and Rest Parameters
  • Closures and Scope
  • Higher-Order Functions
  • Pure vs Impure Functions

5. Objects and Arrays

  • Object Literals and Properties
  • Methods and this Keyword
  • Prototypes and Inheritance
  • Array Methods (map, filter, reduce, forEach, etc.)
  • Destructuring and Spread Operator
  • JSON and Data Manipulation

6. DOM Manipulation

  • Understanding the DOM
  • Selecting Elements (querySelector, getElementById)
  • Changing Styles and Content
  • Event Listeners
  • Creating and Removing Elements
  • DOM Traversal
  • Browser Events and Forms

7. ES6+ Modern JavaScript

  • Template Literals
  • Modules (import / export)
  • Destructuring Assignment
  • Spread and Rest
  • Classes and Inheritance
  • Promises and Async/Await
  • Optional Chaining and Nullish Coalescing
  • Arrow Function Behavior with this

8. Asynchronous JavaScript

  • Callbacks
  • Promises
  • Async/Await Patterns
  • Fetch API and HTTP Requests
  • Error Handling in Async Code
  • Event Loop and Concurrency Model

9. JavaScript in the Browser

  • Local Storage, Session Storage
  • Cookies and Web Storage API
  • Fetch API and REST APIs
  • CORS and Security Basics
  • Browser Modules

10. Advanced Topics

  • Functional Programming Concepts
  • OOP in JavaScript
  • Modules and Bundlers (Webpack, Vite)
  • Regular Expressions
  • Memory Management and Garbage Collection
  • Debouncing and Throttling
  • Event Bubbling and Capturing

11. Testing and Debugging

  • Console and DevTools
  • Debugging Techniques
  • Unit Testing with Jest
  • Test-Driven Development (TDD) Basics

12. JavaScript and the Backend

  • Introduction to Node.js
  • Modules and Packages (npm, yarn)
  • File System Operations
  • Creating Simple Servers
  • Intro to Express.js

13. Project Section

  1. To-Do App (DOM + Events)
  2. Weather App (API + Async)
  3. Expense Tracker (Local Storage)
  4. Quiz App (Dynamic Rendering)
  5. Mini Backend with Node.js + Express

14. Final Project

  • Full-Stack JavaScript Application (Frontend + Backend)
  • Integration of APIs, Auth, and Database

15. Resources

📁 Repository Structure