[ale] What technology is used on chat web pages?

[Christopher Fowler]

Keep the page lean and set a autorefresh in a metatag

On Fri, May 23, 2003 at 08:10:37AM -0400, Jim Lynch wrote:
> How do they write web pages such as chat pages?  Traditional web pages
> are "fetch" only technology.  That is, the user controls when he wants
> the page to change, except for a bit of javascript that can refresh or
> modify the page locally.  But on a chat type page, the server has to be
> able to send data to the users page when the other party enters
> something.  Does anyone know how you could do that?   I suppose a
> javascript could set a timer and refresh periodically, but that doesnt
> appear to be the way it works.  
> 
> Is there a way to establish a pipe somehow?
> 
> I'd like to write a simple chat page via perl and cgi, if possible.
> 
> Thanks,
> Jim.
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://www.ale.org/mailman/listinfo/ale
_______________________________________________
Ale mailing list
Ale at ale.org
http://www.ale.org/mailman/listinfo/ale