JavaScript Exercises (Curated)
Total 200 questions.
Focus: interview patterns + real website use-cases (DOM, forms, fetch, storage, async).
Choose a Pattern
Core JavaScript (Basics)
Variables, operators, type conversion, template strings — build a strong foundation.
Conditionals & Loops
If/else, loops, early return — learn to write clean logic.
Functions & Patterns
Reusable functions, default params, wrappers — develop a clean code mindset.
Arrays (Real Patterns)
map/filter/reduce + real-world data handling patterns.
Strings (Real Patterns)
trim, normalize, search, slug — commonly used in UI/content.
Objects & JSON
Object access, defaults, deep-ish patterns, JSON safe.
DOM & Events (Real Website Use)
Buttons, forms, validation, event delegation — frontend essentials.
Async / Promises
async/await, parallel calls, retries — production-grade patterns.
Fetch & API (Real Website Use)
GET/POST, error handling, JSON — practical web development.
Storage (localStorage/session)
Save user preferences, drafts, tokens — safe read/write.
Tip: Har question me solution short rakha hai, lekin explanation beginner-friendly bullet steps me hai. Pehle explanation follow karo, phir code yaad nahi — logic samjho.