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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Programme steuern – Ablaufkontrolle
5.1 Abfragen und Schleifen
5.1.1 Programmablaufplan
JavaScripts if/else-Abfragen unterbrechen die lineare Ausführung der Befehle und überspringen Anweisungen – abhängig von den Ergebnissen der Abfrage. Aus der Kombination von Abfragen, Verzweigungen und Zuweisungen entsteht die Programmlogik für komplexe Abläufe.
Abb. 5.1: Programmablaufplan der klassischen Programmierung
Ein Programmablaufplan wird in JavaScript selten verwendet, denn JavaScript wird in erste Linie von Ereignissen wie Mausklicks, Tastatureingaben ...
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