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Newbie ajax question


ecopetition

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Hi, I'm relatively new to ajax so am wondering if someone can point me in the direction of a tutorial for what I want to do:

 

I have a page index.php, which calls a function that determines parameters for the display on the body of the page.  These parameters change every couple of minutes, so a new page body is generated regularly.

 

Is it possible for a user to be viewing the page in the browser and have the browser constantly checking if a new body has yet been generated, and is this a PHP-intensive process, when hundreds of users could be doing the same thing at once?

 

Many thanks

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https://forums.phpfreaks.com/topic/256624-newbie-ajax-question/
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youtube is loaded with tutorials. Or read something like this http://www.openjs.com/articles/ajax_xmlhttp_using_post.php got this from a google search.

 

Just don't get confused between javascript and jquery! If you know javascript or want to learn it use javascript leave jquery alone.

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