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HTML5 & CSS3 (Prags)
book

HTML5 & CSS3 (Prags)

by Brian P. Hogan
May 2012
Intermediate to advanced
280 pages
5h 36m
German
O'Reilly Verlag
Content preview from HTML5 & CSS3 (Prags)

25 Chatten mit Web Sockets

Webentwickler versuchen schon seit Jahren, Interaktion in Echtzeit zu realisieren. Aber bei den meisten Implementierungen wurde JavaScript verwendet, um den entfernten Server regelmäßig auf Änderungen zu überprüfen. HTTP ist ein zustandsloses Protokoll. Der Webbrowser stellt eine Verbindung zu einem Server her, erhält eine Antwort und trennt die Verbindung. Jegliche Echtzeitfunktionalität über ein zustandsloses Protokoll stellt eine echte Herausforderung dar. Mit der HTML5-Spezifikation wurden Web Sockets eingeführt, über die der Browser eine zustandsbezogene Verbindung zu einem entfernten Server herstellen kann.[74] Mit Web Sockets können wir alle möglichen Arten von tollen Anwendungen erstellen. Eine der besten Möglichkeiten, ...

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Publisher Resources

ISBN: 9783868992670Purchase book