Presentational components

What this means

A presentational component mainly receives props and returns UI. It does not own complicated behavior. For example, a Badge, Card, or Avatar often works this way.

In beginner terms, this topic answers one practical question: "What should I write, and why does React care about it?" Do not try to memorize the syntax first. First understand the idea, then connect the syntax to that idea.

Why it matters

Display-focused components are easy to test and reuse because they have simple inputs and clear output.

When you build real React screens, this idea helps you decide where data should live, what the user should see, and what should happen after an interaction. That is why this lesson is part of the main path instead of being an optional detail.

Step by step

1. Notice the UI problem this topic solves. 2. Look at the smallest possible example. 3. Change one value and predict what should appear. 4. Run the example and compare the result with your prediction. 5. Use the practice task before moving on.

Small example

function Badge({ label }) {
  return <span>{label}</span>;
}

Common mistake

Do not make every small component responsible for fetching, saving, and layout. Keep responsibilities clear.

Practice task

Create a Badge component that receives a label prop and displays it.

Remember this

Simple display components make larger screens easier.