JavaScript Roadmap - Advanced

Follow this step-by-step roadmap to master javascript at Advanced level

1

Advanced Functions & Patterns

3 weeks

▹Closures (in depth)
▹Currying
▹Higher Order Functions
▹Functional Programming Concepts
▹Design Patterns (Module, Singleton, Observer, Factory)

2

Advanced DOM & Events

2 weeks

▹Event Bubbling & Capturing
▹Event Delegation
▹Custom Events
▹Mini-Project: Drag & Drop Kanban Board

3

Error Handling & Debugging

1 week

▹try/catch Advanced
▹Custom Errors
▹Debugging with DevTools
▹Linting with ESLint

4

JavaScript in Browser

3 weeks

▹LocalStorage, SessionStorage
▹Cookies
▹IndexedDB
▹Service Workers & Offline Apps
▹Mini-Project: Notes App with LocalStorage

5

JavaScript in Backend (Node.js Basics)

4 weeks

▹Intro to Node.js
▹npm & Packages
▹Creating Simple Server with http Module
▹File System Module
▹Express.js Basics
▹Mini-Project: REST API with Express.js

6

Modern JavaScript (ES6+ to ESNext)

4 weeks

▹Generators
▹Symbols
▹Proxy & Reflect
▹Iterators
▹Optional Chaining
▹Nullish Coalescing
▹Async Iteration
▹Mini-Project: Real-time Chat App (with WebSockets)

7

Advanced Projects & Best Practices

4 weeks

▹Bundlers (Webpack, Vite, Parcel)
▹Transpilers (Babel)
▹Code Splitting & Lazy Loading
▹Testing (Jest, Mocha)
▹Performance Optimization
▹Mini-Project: E-commerce Frontend

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