41 lines
1.3 KiB
HTML
41 lines
1.3 KiB
HTML
<!doctype html>
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<html lang="de">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Übung 9: parseUserData Fehler</title>
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<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
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</head>
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<body>
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<main>
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<div class="container py-5">
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<div class="alert alert-primary">
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<h2>Übung 9: parseUserData Fehler</h2>
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<p>Die Kommentare zeigen das erwartete Ergebnis.</p>
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</div>
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</div>
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</main>
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<script>
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'use strict';
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function parseUserData(jsonString) {
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try {
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const userData = JSON.parse(jsonString);
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if (typeof userData.name !== 'string' || typeof userData.age !== 'number') {
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throw new TypeError('Invalid data types');
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}
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return `User: ${userData.name}, Age: ${userData.age}`;
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} catch (error) {
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console.log(error, error.name);
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return `Error: ${error.message}`;
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}
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}
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console.log(parseUserData('{"name": "Alice", "age": 30}')); // => 'User: Alice, Age: 30'
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console.log(parseUserData('{"name": "Bob", "age": "thirty"}')); // => 'Error: Invalid
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</script>
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</body>
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</html>
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