react

3 posts tagged “react”.

A browser window and a server rack side by side, showing the frontend and backend as separate parts that need connecting.

technology8 min read

How to Connect React to a Backend API (CORS, Fetch, MongoDB)

React doesn't talk to your API; the browser does. Build an Express server, fetch data in React, fix the CORS error with one line of middleware, and keep data in a free MongoDB Atlas M0 cluster.

24 October 2026Arnab Biswas

Two logos side by side: React and Next.js, with React highlighted on the left, showing that React should be learned first.

technology9 min read

Next.js vs React for Beginners: Learn React First

Next.js is built on top of React, so it assumes you already know components, props, and state. Learn React's basics first, then build your first real project in Next.js.

23 October 2026Arnab Biswas

The React, Node.js and MongoDB logos in a row, the three parts of a first full-stack application

technology11 min read

Build Your First Full-Stack App: A Step-by-Step To-Do List with React, Node & MongoDB (2026)

Build a full stack to-do app with React, Node, Express and MongoDB. We cover CRUD routes, the CORS error, free deploy, and a README for your portfolio.

18 July 2026Arnab Biswas

Browse every post