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WMC - Webprogrammierung und Mobile Computing - 3AHIF - SJ2425

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Warum sind Komponenten ein zentrales Konzept in React?

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Welcher Code zeigt die korrekte Initialisierung und Verwendung des useState-Hooks in einer funktionalen Komponente?

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Wie wird in Next.js mit dem App Router eine dynamische Route (z. B. /blog/123) definiert?

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Für welchen Anwendungsfall eignet sich React besonders gut?

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Was beschreibt am besten eine React-Komponente?

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Betrachte folgenden Codeausschnitt:

import React, { useEffect, useState } from 'react';

function Example() {

  const [count, setCount] = useState(0);

  useEffect(() => {

    console.log('Count updated:', count);

  }, [count]);

  return <button onClick={() => setCount(count + 1)}>Click me</button>;

}

Welches Verhalten ist korrekt?

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