πŸ”₯ JavaScript+React Coding Challenges – 25 Problems with Mohd Shahbaz

πŸ”₯ JavaScript+React Coding Challenges – 25 Problems

Mohd Shahbaz

Mohd Shahbaz

Full-stack developer (7+ yrs) building practical, no-fluff prep kits for…

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About this product

Most coding prep resources give you a question and an answer. This kit gives you what actually happens inside the interview.

25 real coding round problems across 4 categories:

🟑 JavaScript Fundamentals (6) β€” array/string manipulation, deep clone, balanced parentheses

🟣 Implement It From Scratch (7) β€” debounce, throttle, curry, memoize, Promise.all, and more

🟒 DOM Manipulation (4) β€” event delegation, click-outside detection, scroll behavior

πŸ”΅ React Live-Coding (8) β€” Todo App, Accordion, Stopwatch, Infinite Scroll, custom hooks

Every single challenge includes:

βœ… The problem statement

βœ… A hint (so you can try it yourself first)

βœ… A full working solution

βœ… Why interviewers actually ask this question

βœ… The #1 mistake candidates make on it

βœ… The follow-up question they'll likely hit you with next

Plus a bonus section: 6 Live Coding Interview Tips on how to think out loud, handle edge cases, and stay calm under pressure.

This isn't a copy-paste answer key β€” it's interview coaching in PDF form. Know not just the "what," but the "why" behind every question.

β‚Ή49. Less than your evening chai + samosa. Way more useful for your next interview.

β‚Ή49