Posts tagged react

A beginner Next.js tutorial: build a small coffee menu with the App Router. Create a page, a layout, a dynamic route, and fetch data on the server.

A practical order for learning React: components, then props, then state. You will know what to practice first and what can wait.

See what changes after React: which file is a page, when a component needs the browser, and why a notes list can skip useEffect.

Prepare for a junior React interview: the core concepts to explain, the coding tasks to practise, and short example answers for state, props, effects and lists.

What useEffect really does, when it runs, and how the dependency array and cleanup function work. Simple examples for fetching data, timers and page titles.

useState or useReducer? See the same cart built both ways, the signs it's time to switch, and a simple rule of thumb for choosing in your React components.