September 2024
Intermediate to advanced
320 pages
6h 11m
German
Content preview from JavaScript Schnelleinstieg - Dynamische Webseiten programmieren in 14 Tagen
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Grundlegende Datentypen
3.1 Primitive (einfache) Datentypen
Das Konzept der »Datentypen« mag auf den ersten Blick abstrakt klingen, aber wir gehen täglich problemlos mit Datentypen um: Die Zahl der Knöpfe einer Jacke ist eine ganze Zahl, 499,90 € als Preis des Fernsehers eine Gleitkommazahl, Namen wie »Hanna« sind Zeichenfolgen. Ob das Licht in der Küche brennt oder nicht, ist ein Wahrheitswert.
Das ist jetzt nur ein erster Überblick über die einfachen Datentypen von JavaScript, der in den folgenden Abschnitten schrittweise vertieft wird.
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