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JS/01_grundlagen/uebungen/u34-tranformed-ladislaus.html
Philippe Torrel 3d73f1617b
2026-06-24 15:06:38 +02:00

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HTML

<!doctype html>
<html lang="de">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Übung 34: Der transformierte Ladislaus, Teil 3</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.8/dist/css/bootstrap.min.css" rel="stylesheet" />
</head>
<body>
<main>
<div class="container py-5">
<div class="alert alert-primary">
<h1>Übung 34: Der transformierte Ladislaus, Teil 3</h1>
<p>
Schreiben Sie eine Funktion <code>transformName</code>, die Vor- und Nachname als Parameter entgegennimmt
und einen String der Form
</p>
<p>
<code>&lt;Nachname&gt;, &lt;Anfangsbuchstabe des Vornamens&gt;.</code>
</p>
</div>
<h3 class="mt-3">Formular:</h3>
<form class="form-transform">
<div class="row">
<div class="col-12 col-sm-6">
<div class="mb-3">
<label class="form-label" for="input-firstname">Vorname:</label>
<input
type="text"
class="form-control"
name="firstname"
id="input-firstname"
placeholder="Vorname eingeben..." />
</div>
</div>
<div class="col-12 col-sm-6">
<div class="mb-3">
<label class="form-label" for="input-lastname">Nachname:</label>
<input
type="text"
class="form-control"
name="lastname"
id="input-lastname"
placeholder="Nachname eingeben..." />
</div>
</div>
</div>
<div class="row">
<div class="col">
<div class="mb-3">
<!-- <input type="submit" value="Transform name" class="btn btn-dark input-transform" /> -->
<button type="submit" class="btn btn-dark button-transform button">Transform name</button>
<button type="reset" class="btn btn-danger button-transform button">resetted</button>
</div>
</div>
</div>
</form>
<h3 class="mt-3">Transformierter Name:</h3>
<div class="output alert alert-secondary"></div>
</div>
</main>
<script>
'use strict';
const formTransformEl = document.querySelector('.form-transform');
const outputEl = document.querySelector('.output');
const inputFirstnameEl = document.querySelector('input[name="firstname"]');
const inputLastnameEl = document.querySelector('input[name="lastname"]');
// Funktionsdefinition
const transformName = (firstName, secondName) => {
const tName = `${secondName.charAt(0).toUpperCase() + secondName.substr(1).toLowerCase()}, ${firstName.charAt(0).toUpperCase()}.`;
return tName;
};
formTransformEl.addEventListener('submit', (e) => {
e.preventDefault();
const name = transformName(inputFirstnameEl.value, inputLastnameEl.value);
outputEl.textContent = name;
});
// =====
console.log(transformName('Max', 'Mustermann')); //=> 'Mustermann, M.'
console.log(transformName('Max', 'Power'));
console.log(transformName('adEL', 'jabaRkHel'));
console.log(transformName('kAHlEel', 'johNson'));
console.log(transformName('andreAs', 'rohLedEr'));
</script>
</body>
</html>