What React skills does "Build a Counter" practice?

This challenge practices: useState, event handling. It is rated easy difficulty and takes approximately 10 minutes.

What are the hints for "Build a Counter"?

Use useState(0) to initialize a count state variable Use the functional updater form: setCount(prev => prev + 1) to avoid stale closures Attach onClick handlers to each button

easy10 min

Build a Counter

Build a simple counter component with increment, decrement, and reset buttons. The counter should display the current count and update when any button is clicked. This is the classic first exercise for learning useState.

Skills

useStateevent handling

Tests

Renders with initial count of 0
Increments the count when clicking Increment
Decrements the count when clicking Decrement
Resets the count when clicking Reset

Your Code

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