Master In Javascript

A comprehensive JavaScript learning resource with code snippets, algorithms, data structures, and best practices. Learn from beginner to advanced concepts systematically.

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📚 Learning Path (Recommended Order)

Phase 1: Foundations (Start Here!)

Build your core JavaScript understanding:

1. Variables - let, const, var, scoping, hoisting
2. Syntax - Basic syntax rules and conventions
3. Data-Type - Primitives, objects, type coercion
   • Map, Set, WeakMap, WeakSet
4. Operators - Arithmetic, logical, comparison, assignment
5. Basic Cheat-Sheet - Quick reference for fundamentals

Phase 2: Data & Collections

Master working with data:

6. Strings - String methods, manipulation, regex basics
7. Number - Number methods, Math operations, formatting
   • See: Number Cheat-Sheet
8. Arrays - Array methods, destructuring, iteration
   • array-methods.js, arrays-destructuring.js, flat.js, flatMap.js
   • See: Array Cheat-Sheet
9. Objects - Object manipulation, properties, methods
   • See: Object Cheat-Sheet
10. Dates - Date objects, formatting, calculations
    • See: Date Cheat-Sheet

Phase 3: Functions & Control Flow

Deep dive into functions:

11. Functions - Function declarations, expressions, arrow functions
12. Execution-Context - Scope, context, this keyword
13. Event-Loop - Understanding JavaScript's event loop
14. Promises - Promises, async/await, error handling
    • See: Promises Cheat-Sheet

Phase 4: Object-Oriented Programming

Learn OOP concepts:

15. Classes - ES6 classes, constructors, inheritance
    • classes.js, Getters-and-Setters.js, Static.js, Private.js
16. Prototypal-Inheritance - Prototype chain, delegation
17. Design-Patterns - Common design patterns

Phase 5: Advanced Concepts

Level up your skills:

18. Regex - Regular expressions, pattern matching
    • See: String Cheat-Sheet
19. Symbols - Symbol primitive, metadata
20. Iterables-Iterators - For...of loops, generators
21. Coercion - Type coercion rules
22. Optional-Chaining - Safe property access
23. Spread-Rest-Use - Spread operator, rest parameters

Phase 6: Browser & DOM

Client-side JavaScript:

24. DOM - Document manipulation, element selection, events
    • See: Events Cheat-Sheet
25. Web APIs - Local/Session Storage, Cookies
    • localStorage.js, sessionStorage.js, cookies.js
26. JSON - JSON parsing and serialization
27. Binary Data, Files - ArrayBuffer, File API, TextEncoder/Decoder

Phase 7: Data Structures & Algorithms

Problem-solving skills:

28. Algorithms - Algorithms fundamentals
    • Big-O Notation, Fibonacci, Prime Numbers, Linear Search, etc.
29. Data Structures - Core data structures
    • Linked-List, Stack, Queue, Tree, Graph, Hash-Table, Heap, Priority-Queue
30. Programs - Practical problem solutions

Phase 8: Real-World Applications

Practical JavaScript:

31. Challenges - Daily coding challenges organized by topic
    • Async/, Collections/, Function/, Objects/, Primitives/
32. ES13-Features - Modern JavaScript features
33. Modern-JS - Current best practices
34. 5 Clean Patterns - Code quality tips
35. Amazing One-Liners - Clever JavaScript tricks

Phase 9: Reference & Utilities

Quick reference materials:

36. Cheat-Sheets - Quick reference for all topics
37. Tips & Tricks - Useful techniques
38. Detect OS/Location - Browser detection utilities
39. Loops Cheat-Sheet - Loop types and syntax
40. Math Cheat-Sheet - Math methods reference
41. Errors Cheat-Sheet - Error handling patterns

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📊 Topic Matrix

Category	Difficulty	Use Case
Variables, Syntax, Operators	⭐ Beginner	Foundation
Strings, Numbers, Arrays, Objects	⭐ Beginner	Data handling
Functions, Scope, Context	⭐⭐ Intermediate	Core programming
Classes, OOP, Prototypes	⭐⭐ Intermediate	Advanced structures
Promises, Async/Await	⭐⭐ Intermediate	Async operations
Data Structures, Algorithms	⭐⭐⭐ Advanced	Problem-solving
Design Patterns, Advanced Concepts	⭐⭐⭐ Advanced	Architecture

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🎯 Quick Start Paths

🚀 Fast Track (1 Week)

Get productive quickly:

1. Variables → Syntax → Operators
2. Strings → Arrays → Objects
3. Functions → Promises
4. DOM basics

💼 Full Stack Ready (4 Weeks)

Complete the Phases 1-6 in order

🏆 Master Level (12 Weeks)

Complete all 9 Phases for comprehensive mastery

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📖 How to Use This Repository

1. Follow the learning path - Phases 1-9 build on each other
2. Study the code - Each file has practical examples
3. Use cheat-sheets - Quick reference while coding
4. Try the challenges - Apply your knowledge in Challenges/
5. Build projects - Use Programs/ as templates
6. Reference docs - Come back to topics as needed

🔗 Contact & Resources

Feedback

If you have any feedback, please reach out to us at therogersak@gmail.com

Authors

• @ankityvv