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Re: chat on web, Ajax ? [message #177170 is a reply to message #177157]

Fri, 24 February 2012 16:27

Thomas 'PointedEars'
Messages: 701
Registered: October 2010

Karma:

Senior Member

sl@exabyte wrote:

> 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.

The most compatible approach is to poll the server for new messages
regularly. How to do that is on-topic in comp.lang.javascript. Useful
answers on Usenet are more likely if you post under your real name.

> Ajax ? I am just wondering; Ajax does not seem to bother about port,

You are mistaken. BTW, "Ajax" is a misnomer; thinking "XMLHttpRequest"
instead will get you further.

> I mean the standard method is "open socket at server, port 8888...".

No, it is not.

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

No, it does not have to.

> Is this the only way on a browser ?

There is also the Comet approach, and there are Web Sockets. However, the
latter has security issues and is not well supported as of yet.

Your problem in general is on-topic in comp.infosystems.www.authoring.misc,
not here. You should have known already as you noticed that this cannot be
solved with PHP alone. Please adhere to the topic-oriented structuring of
Network News, and Usenet in particular. And please do not start new threads
for old problems.

PointedEars
--
realism: HTML 4.01 Strict
evangelism: XHTML 1.0 Strict
madness: XHTML 1.1 as application/xhtml+xml
-- Bjoern Hoehrmann

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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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