Welcome to the Learn JavaScript repository β 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.
π 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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Beginner to Advanced Concepts
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Code Examples + Syntax Highlighting
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Mermaid Diagrams for Visual Learning
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Real-life Use Cases & Interview Questions
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Clear Explanations with Code & Output
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Regular Updates
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Easy-to-Navigate Table of Contents
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Learn-by-Doing Projects (Coming Soon)
Each topic will be divided into:
β Concept + Explanation
β Syntax & Examples
β Real-life Scenarios
β Mermaid Diagrams (where applicable)
β Interview Q&A
β Tips & Best Practices
- Introduction to JavaScript
- Variables & Data Types
- Operators
- Control Flow β If/Else, Switch
- Loops β for, while, do-while
- Functions & Scope
- Arrays & Array Methods
- Objects & Object Methods
- Classes & OOP
- Inheritance & Prototypes
- ES6+ Features
- Modules (import/export)
- Asynchronous JavaScript (Callbacks, Promises)
- Async/Await
- JavaScript Event Loop & Call Stack
- Closures
- Hoisting
- This Keyword
- Memory Management & Garbage Collection
- JavaScript in the Browser (DOM)
- Error Handling (try/catch)
- Common Interview Questions
- Code Snippets for Interviews
- Mini Challenges
- JavaScript Projects (coming soon)
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
All content in this repository is copyright Β© Ajay Dhangar. Feel free to fork, clone, or star, but do not copy content for commercial use without permission.
If this repo helps you, please consider:
π Starring this repository π Sharing it with your friends π£ Following me on GitHub πΌ Connect with me on LinkedIn π Connect with my website on CodeHarborHub
Dive into the 01-introduction
folder and start your JavaScript journey today!
Keep learning, keep building. JavaScript mastery begins here! πͺ