learn-javascript

📘 Learn JavaScript – Master JavaScript from Zero to Hero 🚀

Welcome to the Learn JavaScript repository – your ultimate JavaScript roadmap designed for beginners, intermediates, and aspiring developers! This repo is your go-to resource for mastering JavaScript through hands-on examples, real-world interview prep, visual diagrams (Mermaid), and detailed explanations.

📌 Whether you’re just starting out or preparing for technical interviews, this repository will help you understand, implement, and master core JavaScript concepts with clarity.

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📌 What You’ll Get in This Repository

✅ Beginner to Advanced Concepts
✅ Code Examples + Syntax Highlighting
✅ Mermaid Diagrams for Visual Learning
✅ Real-life Use Cases & Interview Questions
✅ Clear Explanations with Code & Output
✅ Regular Updates
✅ Easy-to-Navigate Table of Contents
✅ Learn-by-Doing Projects (Coming Soon)

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📚 Table of Contents

Each topic will be divided into:
✅ Concept + Explanation
✅ Syntax & Examples
✅ Real-life Scenarios
✅ Mermaid Diagrams (where applicable)
✅ Interview Q&A
✅ Tips & Best Practices

🔰 Basics

• Introduction to JavaScript
• Variables & Data Types
• Operators
• Control Flow – If/Else, Switch
• Loops – for, while, do-while

🧠 Core Concepts

• Functions & Scope
• Arrays & Array Methods
• Objects & Object Methods
• Classes & OOP
• Inheritance & Prototypes

🚀 Advanced JavaScript

• ES6+ Features
• Modules (import/export)
• Asynchronous JavaScript (Callbacks, Promises)
• Async/Await
• JavaScript Event Loop & Call Stack

🧩 Deeper Dive

• Closures
• Hoisting
• This Keyword
• Memory Management & Garbage Collection
• JavaScript in the Browser (DOM)
• Error Handling (try/catch)

🛠️ Practice & Interview Preparation

• Common Interview Questions
• Code Snippets for Interviews
• Mini Challenges
• JavaScript Projects (coming soon)

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🧠 Learn with Visuals – Mermaid Diagrams

We include diagrams to explain complex topics such as:

• Call Stack
• Event Loop
• Promise Chains
• Prototypal Inheritance
• Execution Context & Scope Chain

graph TD
  A[JavaScript Engine] --> B[Memory Heap]
  A --> C[Call Stack]
  C --> D[Web APIs]
  D --> E[Callback Queue]
  E --> C

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📝 Copyright & Usage

All content in this repository is copyright © Ajay Dhangar. Feel free to fork, clone, or star, but do not copy content for commercial use without permission.

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📣 Stay Connected!

If this repo helps you, please consider:

🌟 Starring this repository 🔁 Sharing it with your friends 👣 Following me on GitHub 💼 Connect with me on LinkedIn 🌍 Connect with my website on CodeHarborHub

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🙌 Let’s Get Started!

Dive into the 01-introduction folder and start your JavaScript journey today!

Keep learning, keep building. JavaScript mastery begins here! 💪

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