Some Websites feels fast for a reason — it’s built on something powerful: React.

I revisited React and found out how it makes modern websites feel smooth, fast, and organized.

In this quick and beginner-friendly blog, I share:
Why tools like Vite are necessary
How much JavaScript you really need to know

🔗 Read here:
https://iranjankumar.com/revisiting-react-basics-i-learned-about-react/

#ReactJS #FrontendDevelopment #WebDevJourney #JavaScript #ViteJS #LearnReact

Built my first AI chatbot using LangGraph + FastAPI + React! 🚀
It’s live, it works great on mobile & desktop, and yes — it's open source too.

From clean chat bubbles to smart error handling, I’ve shared everything in detail.

👉 Read full here:
https://iranjankumar.com/building-my-first-very-basic-ai-chatbot-with-langgraph-added-react-frontend-and-fastapi-backend/

#ai #chatbot #langgraph #reactjs #fastapi #groq #fullstackdeveloper #indiedev #buildinpublic

Problem-solving patterns have made my DSA journey smoother.

I explored:
— Frequency Counter
— Two Pointers
— Sliding Window

These patterns help write cleaner, faster solutions in JavaScript.

Full write-up + code:
🔗 https://iranjankumar.com/learning-problem-solving-patterns-in-dsa/

#DSA #coding #javascript #learningToCode

Today I finally understood one of React’s most confusing warnings:
"React Hook useEffect has a missing dependency…"

🔍 What began as debugging ended up being a crash course in useCallback, stale closures, and infinite re-renders.

Full breakdown:
https://iranjankumar.com/that-yellow-line-in-vs-code-nearly-broke-my-brain-and-how-i-finally-got-it/

#ReactJS #WebDev #JavaScript #OpenWeb

Problem-solving is a skill every developer can learn — and this 5-step framework makes it practical and repeatable.

Understand, plan, simplify, solve, and refactor — whether you're debugging or doing live interviews.

🧠 Read more:
https://iranjankumar.com/the-5-step-strategy-that-changed-how-i-solve-any-coding-problem/

Arrays are great for order.
Objects are unbeatable for speed.

In this post, I explore JavaScript’s array & object structures with a DSA mindset:

Big O of common operations

Real-world example: Move Zeroes

Which method is costly and why

Read full blog:
🔗 https://iranjankumar.com/what-i-learned-today-about-arrays-and-objects-in-dsa/

#DSA #JavaScript #WebDev #Coding

I explored the core programming concepts that every beginner should master before diving into Data Structures & Algorithms.

From functions and conditions to palindromes, primes, Fibonacci, GCD & LCM — here’s what to practice first.

📝 Full breakdown: https://iranjankumar.com/must-learn-concepts-before-starting-dsa/

🚀 Day 1 learning React!

Wrote about Components, JSX, Props, and more — all explained simply for beginners.

📖 Blog link: https://iranjankumar.com/what-i-learned-in-react-today-components-jsx-props-and-more/

#React #WebDev #OpenWeb #CodeNewbie #LearnToCode

Ever feel unsure what O(n) or O(n²) really means?

Big O Notation tells us how code scales as input grows — not just how fast it runs.

✅ Learn to count operations, not seconds
✅ Simplify space and time complexity
✅ Write smarter, faster code

📖 Read the breakdown:
https://iranjankumar.com/learning-complete-big-o-notation-in-dsa-fully-time-and-space-complexity/

#DSA #BigO #CodeSmart #Programming #javascript

🚀 I’ve made a strong decision — I’m committing to mastering Data Structures and Algorithms (DSA).

Over time, I’ve realized that no matter how advanced the tech gets — DSA is the core. It shapes how we think, solve problems, and build systems that actually work.

🧠 I’ve planned Topics:

Trees, Tries, and Graphs
Dynamic Programming & Greedy
Heaps, Sliding Window, and more

If you’re also on the DSA journey — let’s grow together. 🙌

👉 Full roadmap here:
https://iranjankumar.com/im-committing-to-mastering-data-structures-and-algorithms-%f0%9f%94%a5/