Draw component boundaries before you code

The move: name the boundaries before writing JSX. React components work best when they mirror the way the user sees the screen and the way the data is shaped. Start with the mockup. Circle repeated pieces, regions with their own responsibility, and places where a single data object appears. Then name those pieces as components. This prevents the common beginner failure mode: one component that renders everything and owns every interaction. That file feels fast for the first hour, then becomes hard to test, reuse, and debug. Thinking in React gives you a sequence: component hierarchy first, static rendering second,…

Sign up free — one personalized lesson every day, matched to your role and goals.

Already have an account? Sign in