1. Basics

• Introduction to JavaScript
  • Syntax and structure
  • Variables and Data Types (String, Number, Boolean, Null, Undefined, Symbol)
  • Operators (Arithmetic, Assignment, Comparison, Logical)
• Control Structures
  • Conditionals (if, else, else if, switch)
  • Loops (for, while, do…while)
• Functions
  • Function Declaration vs. Expression
  • Arrow Functions
  • Parameters and Arguments
  • Return Values
  • Higher-Order Functions

2. Intermediate

• Objects
  • Object Literals
  • Accessing and Modifying Object Properties
  • Methods and this keyword
  • Object Constructors
  • Prototypes and Inheritance
• Arrays
  • Array Methods (map, filter, reduce, forEach, etc.)
  • Multidimensional Arrays
  • Destructuring Arrays
  • Array Spread and Rest Operator
• DOM Manipulation
  • Selecting Elements (getElementById, querySelector)
  • Changing Content (innerHTML, textContent)
  • Modifying Styles (style, classList)
  • Event Handling (Click, Mouseover, Keydown, etc.)
  • Creating and Inserting Elements
• Asynchronous JavaScript
  • Callbacks
  • Promises
  • async and await
  • Fetch API
• Error Handling
  • Try-Catch
  • Throwing Errors
  • Custom Errors

3. Advanced

• Closures
  • Understanding Closures
  • Practical Uses of Closures
• Advanced Functions
  • Recursion
  • Currying
  • Memoization
• ES6 and Beyond
  • Template Literals
  • Destructuring Assignment (Arrays and Objects)
  • Rest and Spread Operator
  • Classes and Inheritance
  • Modules (import and export)
• Regular Expressions
  • Pattern Matching
  • Replace, Test, Match
• Advanced Array and Object Techniques
  • Deep Copy vs. Shallow Copy
  • Object.assign() and Spread for Cloning Objects
  • Immutable Data Patterns
  • ArrayBuffer and Typed Arrays

4. Expert

• JavaScript Engines and the V8
  • How JavaScript Engines Work
  • JIT Compilation
  • Memory Management and Garbage Collection
• JavaScript Design Patterns
  • Singleton
  • Factory
  • Observer
  • Module
  • Decorator
• Performance Optimization
  • Efficient DOM Manipulation
  • Debouncing and Throttling
  • Memory Leaks and Optimization
  • Profiling JavaScript in Browsers
• TypeScript
  • Introduction to TypeScript
  • Type Annotations and Interfaces
  • Classes and Generics
  • Advanced Types (Union, Intersection, etc.)
  • Type Inference and Type Guards
• Security
  • XSS (Cross-Site Scripting) Prevention
  • CSRF (Cross-Site Request Forgery) Protection
  • Content Security Policy (CSP)
  • JavaScript Security Best Practices
• Node.js
  • Introduction to Node.js
  • Asynchronous Programming with Node.js
  • Building a Simple Server
  • Express.js Framework
  • Handling File Systems, Buffers, and Streams
• Advanced Asynchronous Patterns
  • Generators and Iterators
  • Event Loop and Microtasks
  • Web Workers
  • Service Workers and Progressive Web Apps (PWAs)

5. Mastery

• WebAssembly
  • Understanding WebAssembly
  • Integrating WebAssembly with JavaScript
• JavaScript in Machine Learning
  • TensorFlow.js
  • Machine Learning Models in JavaScript
• Serverless Architecture with JavaScript
  • AWS Lambda
  • Azure Functions
  • Google Cloud Functions
• GraphQL with JavaScript
  • Introduction to GraphQL
  • Building GraphQL APIs
  • Apollo Client/Server Integration
• JavaScript in IoT (Internet of Things)
  • Programming Microcontrollers with JavaScript (e.g., Johnny-Five)
  • Real-time Data Processing
  • Building IoT Projects

6. Expert-Level Projects

• Full-Stack Applications
  • MERN/MEAN Stack Development
  • Building RESTful APIs
  • Real-Time Applications with WebSockets
  • Single-Page Applications (SPAs) with React/Vue/Angular
• Advanced Tools and Libraries
  • Webpack, Babel, and Build Tools
  • State Management with Redux/MobX
  • Advanced D3.js for Data Visualization
  • Three.js for 3D Graphics
• Contributing to Open Source
  • Understanding JavaScript Ecosystem
  • Writing and Publishing Your Own JavaScript Libraries
  • Contributing to Popular Open Source Projects