Black Belt - Hardserver-componentslockPREMIUM

What "use client" Actually Marks

A developer believes this component only ever renders in the browser and never touches the server.

//REACT_MODULE

'use client';

import { useState } from 'react';

export default function Counter() {
  const [count, setCount] = useState(0);
  return <button onClick={() => setCount(count + 1)}>{count}</button>;
}

Is that belief correct?

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