A complete JavaScript study kit — whether you're just starting out, brushing up for an interview, or grinding DSA problems in JS, this repo has you covered.
| Folder | Contents | Best For |
|---|---|---|
📝 notes/ |
Clean, structured JS theory notes | Beginners & revision |
❓ interview-questions/ |
Top JS interview Q&A (fresher to senior) | Job prep |
💻 coding-questions/ |
Solved JS coding problems with explanations | DSA & logic building |
✍️ handwritten-notes/ |
Scanned handwritten notes for quick revision | Visual learners |
📋 practice-sheets/ |
Topic-wise practice problems | Daily practice |
📄 cheatsheets/ |
Quick reference for syntax & concepts | Fast revision |
🔰 JavaScript Fundamentals
- Variables:
var,let,const - Data Types & Type Coercion
- Operators & Expressions
- Control Flow (if/else, switch, loops)
- Functions (declarations, expressions, arrow functions)
- Scope & Hoisting
🧱 Core Concepts
- Arrays & Array Methods (
map,filter,reduce,forEach) - Objects & Object Methods
- Strings & Template Literals
- Destructuring & Spread/Rest Operators
- Modules (import/export)
- Error Handling (try/catch/finally)
⚙️ Advanced JavaScript
- Closures & Lexical Scope
- Prototypes & Prototype Chain
thiskeyword & Binding- Promises, async/await & Event Loop
- Generators & Iterators
- WeakMap, WeakSet, Symbol
- Proxy & Reflect
🌐 DOM & Browser APIs
- DOM Manipulation & Traversal
- Event Handling & Event Delegation
- Fetch API & XMLHttpRequest
- LocalStorage & SessionStorage
- Web APIs (setTimeout, setInterval, requestAnimationFrame)
🧠 DSA in JavaScript
- Arrays, Strings, Linked Lists
- Stacks, Queues, Trees, Graphs
- Sorting & Searching Algorithms
- Dynamic Programming
- Recursion & Backtracking
🎯 Interview Preparation
- Top 100 JavaScript interview questions with answers
- Output-based tricky questions
- Closure & hoisting interview Qs
- Async/await & Promise interview Qs
- Event loop & call stack questions
- ES6+ feature-based questions
# Clone the repo
git clone https://github.com/AdityaChouhan01/javascript-complete-guide.git
# Go inside
cd javascript-complete-guide
# Open in VS Code
code .Or just browse folders directly on GitHub — no setup needed!
- 🎓 Students learning JavaScript for the first time
- 💼 Job seekers preparing for front-end / full-stack interviews
- 🧑💻 Developers who want a quick reference or cheatsheet
- 📚 Self-learners following YouTube/Udemy courses who need notes
- 🏆 Competitive programmers solving DSA problems in JavaScript
- ✅ Handwritten + typed notes — best of both worlds
- ✅ Topic-wise organized — find anything in seconds
- ✅ Interview-ready Q&A — real questions asked at top companies
- ✅ ES6+ covered — modern JavaScript, not outdated content
- ✅ Free forever — open-source, no paywalls
- ✅ Regularly updated — grows as I learn more
javascript-complete-guide/
│
├── 📝 notes/
│ ├── 01-js-basics.md
│ ├── 02-functions-and-scope.md
│ ├── 03-arrays-and-objects.md
│ ├── 04-async-javascript.md
│ └── 05-es6-features.md
│
├── ❓ interview-questions/
│ ├── core-js-interview-qs.md
│ ├── async-interview-qs.md
│ ├── es6-interview-qs.md
│ └── output-based-qs.md
│
├── 💻 coding-questions/
│ ├── arrays/
│ ├── strings/
│ ├── recursion/
│ └── dynamic-programming/
│
├── ✍️ handwritten-notes/
│ ├── closures-and-scope.pdf
│ └── event-loop-diagram.pdf
│
├── 📋 practice-sheets/
│ ├── week-01-basics.md
│ ├── week-02-arrays-strings.md
│ └── week-03-async.md
│
└── 📄 cheatsheets/
├── js-syntax-cheatsheet.md
├── array-methods-cheatsheet.md
└── es6-cheatsheet.md
⚠️ Update the folder structure above to match your actual files before pushing!
Want to add more questions, fix a mistake, or improve notes? PRs are welcome!
- Fork this repo
- Create a branch:
git checkout -b add-my-notes - Commit:
git commit -m "Add: async/await notes" - Push:
git push origin add-my-notes - Open a Pull Request
Licensed under the MIT License — free to use, share & modify with credit.
If this saved you time, drop a ⭐ — it helps others find this repo!
Made with 🟨 and late nights by Aditya Chouhan