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Re: chat on web, Ajax ? [message #177191 is a reply to message #177157]

Sun, 26 February 2012 03:54

Arno Welzel
Messages: 317
Registered: October 2011

Karma:

Senior Member

sl@exabyte, 2012-02-24 14:59:

> Hi folks.
>
> I thought I have gathered all pieces I need, then suddenly I realise there
> is still one problem.
>
> I am implementing chat on the web, ie on a browse. On browser, I can only
> use javascript. So the problem is what method to use to listen for incoming
> data.

There is no method. You have to poll every x seconds to check, if there
is new information available. Netscape and Mozilla implemented an
alternative way, but this is neither standard nor recommended to be used.

> Ajax ? I am just wondering; Ajax does not seem to bother about port, I mean
> the standard method is "open socket at server, port 8888...".

Did you try <https://blueimp.net/ajax/>?

> Of course, when data is sent to a php file on server, it must be port 80.

Only, if the server is configured to respond on port 80. A web server
can also use other ports.

--
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de

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[Message index]

		chat on web, Ajax ? By: SL on Fri, 24 February 2012 13:59
		Re: chat on web, Ajax ? By: SL on Fri, 24 February 2012 14:15
		Re: chat on web, Ajax ? By: Captain Paralytic on Fri, 24 February 2012 14:20
		Re: chat on web, Ajax ? By: SL on Fri, 24 February 2012 15:52
		Re: chat on web, Ajax ? By: The Natural Philosoph on Fri, 24 February 2012 15:59
		Re: chat on web, Ajax ? By: SL on Fri, 24 February 2012 16:23
		Re: chat on web, Ajax ? By: Doug Miller on Fri, 24 February 2012 16:52
		Re: chat on web, Ajax ? By: SL on Sat, 25 February 2012 02:01
		Re: chat on web, Ajax ? By: M. Strobel on Fri, 24 February 2012 15:22
		Re: chat on web, Ajax ? By: Erwin Moller on Fri, 24 February 2012 14:28
		Re: chat on web, Ajax ? By: Tim Streater on Fri, 24 February 2012 14:51
		Re: chat on web, Ajax ? By: The Natural Philosoph on Fri, 24 February 2012 15:54
		Re: chat on web, Ajax ? By: Tim Streater on Fri, 24 February 2012 19:02
		Re: chat on web, Ajax ? By: The Natural Philosoph on Fri, 24 February 2012 21:06
		Re: chat on web, Ajax ? By: Tim Streater on Fri, 24 February 2012 21:38
		Re: chat on web, Ajax ? By: The Natural Philosoph on Fri, 24 February 2012 21:51
		Re: chat on web, Ajax ? By: Tim Streater on Fri, 24 February 2012 22:26
		Re: chat on web, Ajax ? By: The Natural Philosoph on Sat, 25 February 2012 13:15
		Re: chat on web, Ajax ? By: Tim Streater on Sat, 25 February 2012 13:20
		Re: chat on web, Ajax ? By: The Natural Philosoph on Sat, 25 February 2012 13:33
		Re: chat on web, Ajax ? By: Tim Streater on Sat, 25 February 2012 13:42
		Re: chat on web, Ajax ? By: SL on Fri, 24 February 2012 16:31
		Re: chat on web, Ajax ? By: The Natural Philosoph on Fri, 24 February 2012 15:48
		Re: chat on web, Ajax ? By: Thomas 'PointedEars' on Fri, 24 February 2012 16:27
		Re: chat on web, Ajax ? By: Jeff North on Sat, 25 February 2012 13:13
		Re: chat on web, Ajax ? By: Arno Welzel on Sun, 26 February 2012 03:54

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