React & Next.js Starter Kit: Basic → Advanced ⚛️ with Suraj Gehlot

Crack your React & Next.js interview in 25 days, 30 minutes a day ⚛️

A 152-page, day-by-day guide that takes you from "how React works" to Next.js App Router, machine coding and mock interviews. One short session at a time.

🗓 HOW IT WORKS

Each day has a focused topic card:

→ 🎯 "Say this in 30 seconds": the crisp answer to give in an interview

→ 📖 Deep dive with code examples

→ ✍️ Space for your own notes

📘 WHAT'S INSIDE

→ Days 1–6: How React really works, React 18/19, JSX, props & state, events, lists, forms, hooks, a useEffect deep dive

→ Days 8–13: Refs & timers, memoization, useReducer & Context, concurrent React, custom hooks, class components & error boundaries

→ Days 15–19: Reusable patterns, portals, lazy loading & Suspense, accessibility, state management, performance, routing, testing

→ Days 20–25: Next.js fundamentals, data fetching & caching, Server Actions, route handlers, middleware, SEO & optimisation, final cheat sheet

🛠 13 MACHINE CODING BUILDS

Todo app, infinite scroll, debounced search, accordion, OTP input, star rating, pagination, protected routes and more

🎤 4 MOCK INTERVIEWS

On Days 7, 14, 21 and 25, with 10 real questions each to test yourself like a real round

🎯 WHO IT'S FOR

→ React developers (0–5 YOE) preparing for frontend interviews

→ Developers moving from React to Next.js App Router

→ Anyone who prefers a daily plan over a random list of questions

✅ WHAT YOU GET

→ 152-page PDF · 117 topics · 13 builds · 4 mock interviews

→ A clear 25-day roadmap, so you always know what to study next

→ Instant download

Prepared by Suraj Gehlot, Frontend Engineer

💬 Want real practice? Book a mock React interview with me.