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Jul 9, 2007, 02:00 #1
- Join Date
- Mar 2006
- Gold Coast, Australia
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Using Ajax to pro-actively update page contents?
I have had a feature idea i've wanted to implement using ajax for a while.
Consider that you are looking at an auction page. In the event that a new bid is placed while someone is looking at the page, I want the page to update without a refresh so that the new bid and the new bidder are now visible.
Now you might think that this is impossible, but I beg to differ. I got the idea here: http://ht.bidz.com
As you can see they are somehow using flash to connect to their backend and update the time + amount whenever a bid is placed.
Now i'm guessing that its currently impossible to actually update the page unless you are constantly checking for changes in the database. So I thought perhaps running a script every few seconds to determine if there is anything new to show. The problem I guess will be overhead.
Does anyone have any ideas on how I could create such a feature?