JavaScript Interview Notes & Concepts

Welcome to your comprehensive JavaScript interview notes! This repository contains in-depth guides, code examples, and explanations for key JavaScript topics, designed to help you ace interviews and master advanced JS concepts.

---

📚 Table of Contents

• Functions

• Closures

• Event Loop

• Higher Order Functions

• Map, Reduce, Filter

• Polyfills

• [More Topics Coming Soon!]

---

🔥 Highlights

• Functions: Function statements, expressions, anonymous/named functions, arrow functions, first-class functions, arguments vs parameters, and more.
• Closures: Deep dive into closures, interview Q&A, practical use-cases, memory leaks, and common pitfalls.
• Event Loop: Complete guide to the JS event loop, call stack, microtasks/macrotasks, code outputs, and best practices.
• Higher Order Functions: Explanation, examples, passing functions as arguments, returning functions, and built-in HOFs like map, filter, and reduce.
• Map, Reduce, Filter: Detailed explanations, polyfills, key concepts, and mental models for understanding these powerful array methods.
• Polyfills: What they are, why they matter, and how to implement polyfills for map, filter, and reduce.

---

📝 How to Use

• Browse each topic's folder for detailed markdown notes and code examples.
• Use the Table of Contents above or navigate folders directly.
• Practice with the code snippets to reinforce your understanding.

---

📖 Index

• Functions
• Closures
• Event Loop
• Higher Order Functions
• Map, Reduce, Filter
• Polyfills

---

⭐ Contributing

Contributions are welcome! If you'd like to improve these notes or add new topics, please follow these steps:

How to Contribute

1. Fork this repository to your own GitHub account.
2. Clone your fork to your local machine:

   git clone https://github.com/your-username/your-repo-name.git

3. Create a new branch for your feature or fix:

   git checkout -b my-feature-branch

4. Make your changes (add notes, fix typos, improve explanations, etc.).
5. Commit and push your changes:

   git add .
   git commit -m "Describe your changes"
   git push origin my-feature-branch

6. Open a Pull Request on GitHub from your branch to the main branch of this repo.
7. Wait for review and feedback.

Contribution Guidelines

• Please keep explanations clear and concise.
• Use code blocks for code examples.
• Add references or links if you use external sources.
• Be respectful and constructive in your feedback and reviews.

Thank you for helping make these notes better for everyone!

🌟 Like these notes?

If you found these notes helpful, please consider giving this repo a ⭐ star on GitHub!

---

License

MIT