💡 Frontend DSA Series – 30 Essential JavaScript Coding Questions for Interviews
“Cracking frontend interviews isn’t about solving fancy graphs. It’s about solving JavaScript-heavy problems under pressure. This course helps you train for that.”
Are you preparing for frontend interviews and struggling with JavaScript-based DSA questions?
Tired of dry LeetCode questions that don’t reflect real-world frontend interviews?
Say hello to the 🔥 Frontend DSA Series — a hand-crafted collection of 30 essential JavaScript challenges, each designed to improve your data structures, algorithms, and core JS problem-solving skills.
This is not your typical DSA course.
This is interview-oriented + JavaScript-centric + super practical.
📦 What’s Inside the Course?
This course is your ultimate Frontend DSA workout, solving 30 real-life problems with a JS-first mindset.
Each module comes with:
✅ Real-world Scenario-Based Problems
✅ Detailed Explanation + Clean Code
✅ Step-by-Step Breakdown
✅ Interview-Ready Format
✅ ES6+ Syntax + Polyfills
✅ Bonus: Performance Notes, Use-Cases & Tips
🎯 Core Topics You’ll Master
📌 JavaScript Arrays, Objects, Functions, Closures
📌 Recursion, Memoization, Currying, Throttling, Debouncing
📌 Polyfills for Array, Promise, Deep Copy, Shallow Copy
📌 Utility Patterns like breadcrumb, pathResolver, and electionWinner
📌 Real-world edge cases explained
📌 ES6+ and Interview-Ready code comments
🔓 First 10 Questions – Absolutely FREE!
🎁 Yes, the first 10 challenges are completely free — so you can explore the value before investing.
🔐 The remaining 20 questions are locked and can be unlocked once you purchase the full course.
📚 Sample Free Challenges (Top 10):
- 🪜 Master JavaScript Method Chaining
- ⚡ Supercharge JS Functions with Caching (Memoization)
- 🔍 Flatten a Nested Array up to a Given Depth
- 🔀 Shuffle an Array Randomly (Fisher-Yates)
- 📊 Sum Values in a Singly Linked List (Recursively)
- 🧩 Flatten Deep Nested Objects into Dot Notation
- 🧮 Currying with Infinite Calls Ending with ()
- 🔄 Currying with Chainable Sum Function (No Final ())
- 🧠 Flexible Argument Pattern for Currying
- 💥 Polyfill: Array.prototype.map()
🔐 Premium Locked Questions (20 More After Purchase):
💎 Each one includes clean code, edge-case handling, real-world tips, and performance notes.
💎 Why Frontend Engineers Need This?
Most DSA prep skips over JavaScript-native approaches, which are exactly what frontend interviews test. This course focuses on:
✨ JavaScript-first DSA mastery
✨ Reusable utility patterns
✨ Interview-expected patterns like .reduce, currying, memoization
✨ Problem-solving through the lens of a frontend engineer
✨ Learn how top product companies test real skills
🏆 Who’s This For?
✅ Frontend Engineers (0–7 years exp)
✅ Job Seekers (SDE-1, SDE-2, SDE-3)
✅ Career Switchers from backend/mobile to frontend
✅ Devs struggling with JS-based DSA
✅ Anyone looking to master modern JS with real DSA
👨🏫 About Us – Gourav Hammad x LearnYard
Frontend Engineer @CoinDCX | Ex-Cars24 | Ex-Bajaj Finserv Health
🏆 5+ years experience | 🚀 82+ interviews | 💬 26+ offer discussions
In collaboration with LearnYard — a platform dedicated to delivering practical, high-quality tech learning — this course is crafted to help you master frontend interviews with confidence.
Whether you're a fresher, a mid-level developer, or aiming for your next SDE-2/SDE-3 opportunity, this course is your ultimate launchpad 🚀.
Feel free to reach out on LinkedIn for queries or feedback.