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WMC - Webprogrammierung und Mobile Computing - 3CHIF - SJ2526

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Welche Aussagen zu express.static() sind korrekt?

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Was beschreibt korrekt den Unterschied zwischen Callbacks und Promises?

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Betrachte folgenden Code - Was wird ausgegeben?:

function loadData(callback) {

  setTimeout(() => {

    callback("DONE");

  }, 500);

}

console.log("A");

loadData((msg) => {

  console.log(msg);

});

console.log("B");

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Warum wird TypeScript besonders oft in größeren Codebases oder Teamprojekten verwendet?

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Was passiert bei folgendem Code?

async function loadData() {

  const res = await fetch("https://api.example.com/data");

  const json = await res.json();

  return json;

}

loadData()

  .then((d) => console.log("OK", d))

  .catch((e) => console.log("ERR", e));

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Welche der folgenden Definitionen nutzt einen Union Type?

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Welche Aussagen über Node.js sind korrekt?

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Was ist die richtige Reihenfolge der Ausgabe?

console.log('msg1')

Promise.resolve().then(() => { console.log("msg2"); });

console.log('msg3')

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Welche der folgenden TypeScript-Definitionen sind korrekt?

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Welche Aussagen beschreiben den korrekten Ablauf der JavaScript Event-Loop?

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