Introduction to JavaScript
- What is JavaScript?
- History of JavaScript
- Browser vs Node.js
- Setting Up Your Environment
- Your First JavaScript Program
- JavaScript Engines (V8 & Others)
JavaScript Basics & Syntax
- Variables (var, let, const)
- Data Types
- Comments
- Console Output
- Operators
- Type Conversion & Coercion
Strings
- String Basics
- Template Literals
- String Methods
- String Formatting
- Escape Characters
Numbers & Math
- Number Basics
- The Math Object
- Number Methods
- Working with BigInt
Control Flow
- If...Else Statements
- Switch Statements
- Ternary Operator
- While Loops
- For Loops
- For...of and For...in
- Break & Continue
Arrays
- Creating & Accessing Arrays
- Array Methods
- Array Destructuring
- Spread & Rest Operators
- Multidimensional Arrays
- Sorting & Filtering Arrays
Objects
- Creating Objects
- Properties & Methods
- Object Destructuring
- Nested Objects
- Object.keys, values, entries
- Optional Chaining & Nullish Coalescing
Functions
- Declarations vs Expressions
- Arrow Functions
- Parameters & Default Values
- Rest Parameters
- Return Values
- Scope & Closures
- Higher-Order Functions
- Recursion
The "this" Keyword
- Understanding this
- this in Different Contexts
- call, apply & bind
- Arrow Functions and this
ES6+ Features
- let & const vs var
- Template Literals Recap
- Destructuring Recap
- Default Parameters
- Optional Chaining Recap
Object-Oriented JavaScript
- Classes & Constructors
- Class Methods & Properties
- Inheritance & extends
- The super Keyword
- Getters & Setters
- Static Methods
- Private Class Fields
Prototypes
- What is a Prototype?
- The Prototype Chain
- Object.create()
- Classes vs Prototypes
Error Handling
- Try, Catch & Finally
- Throwing Custom Errors
- Error Types
- Handling Async Errors
Asynchronous JavaScript
- The Call Stack & Event Loop
- Callbacks
- Callback Hell
- Promises
- async/await
- Promise.all & Promise.race
The DOM
- What is the DOM?
- Selecting Elements
- Modifying Elements
- Creating & Removing Elements
- Traversing the DOM
Events
- Event Listeners
- The Event Object
- Bubbling & Capturing
- Event Delegation
- Common DOM Events
Browser APIs
- The Window Object
- Local & Session Storage
- The Fetch API
- Geolocation API
- Timers (setTimeout, setInterval)
Working with JSON
- What is JSON?
- JSON.stringify & JSON.parse
- APIs & JSON Data
Modules & Tooling
- Modules (import/export)
- CommonJS vs ES Modules
- Package Managers (npm, yarn)
- Bundlers (Webpack, Vite)
- Transpilers (Babel)
Regular Expressions
- What is Regex?
- Creating Regex Patterns
- Common Regex Methods
- Search & Replace
Iterators & Generators
- Iterables & Iterators
- The Iterator Protocol
- Generator Functions
- yield & Use Cases
Functional Programming
- map, filter & reduce
- Pure Functions
- Immutability
- Function Composition
Advanced Async Patterns
- Microtasks vs Macrotasks
- Async Iterators
- Debouncing & Throttling
- Web Workers
Testing
- Why Testing Matters
- Unit Testing with Jest
- Mocking & Spies
- End-to-End Testing Basics
Debugging & Code Quality
- Browser DevTools
- console Methods
- Linting (ESLint)
- Code Formatting (Prettier)
- Writing Clean JavaScript
Node.js Basics
- What is Node.js?
- The Node Runtime
- File System Module
- Creating a Simple Server
- npm & package.json
APIs & the Web
- Making HTTP Requests
- Building REST APIs (Express)
- Connecting to Databases
- Authentication Basics
TypeScript Basics
- What is TypeScript?
- Basic Types & Annotations
- Interfaces & Types
- TypeScript with Functions
- Why Use TypeScript?
Popular Frameworks & Libraries
- Overview of React
- Overview of Vue
- Overview of Angular
- Choosing the Right Framework
Best Practices & Next Steps
- Idiomatic JavaScript
- Common Pitfalls
- Performance Tips
- Security Basics (XSS, CSRF)
- Career Paths

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