Indeed, I tried with <META HTTP-EQUIV="*Refresh*" CONTENT="*n*"> ? and it's unusable. It make blink the page, ungrey the "stop" button for a second and make the fields loose the focus so it's impossible to type in.
I'll try with XMLHTTPRequest. On Mon, Jan 17, 2011 at 6:30 PM, Chris Smith <cdsm...@gmail.com> wrote: > On Mon, 2011-01-17 at 18:25 +0100, Corentin Dupont wrote: > > Thanks a lot for your response Jeremy. > > I can see a lot of site that does update infos without the user to > > have to click "refresh" (I think Facebook does?). > > Do they do polling? > > While I'm not familiar with Facebook, I'd guess that today, most such > sites are all doing polling. Especially the high-volume ones, for which > leaving a connection open for every current user would be impractical. > > Polling doesn't have to be done with page refreshes. It can also be > done with JavaScript using, e.g., the XMLHTTPRequest object. Then it > would be pretty transparent to you. > > -- > Chris > >
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