# Prerender AJAX **URL:** \ **Category:** Rails\ **Created:** [September 29, 2009, 9:56pm UTC](https://www.ruby-forum.com/t/prerender-ajax/176381 "2009-09-29T21:56:50Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![timend](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ecc23a/32.png) [@timend](https://www.ruby-forum.com/u/timend)\ **Post date:** [September 29, 2009, 9:56pm UTC](https://www.ruby-forum.com/t/prerender-ajax/176381/1 "2009-09-29T21:56:50Z")
Hi, I’ve got several AJAX actions in my controller and another action, that displays links that could trigger the AJAX calls. I’m trying to implement the following: 1.) Usually if the user clicks the link on the page, the AJAX request to the server is made, rails renders the result and sends the response back to the client and the response is inserted into the page. 2.) I’d like to have a simple helper method prerender ‘/someurl/to/some/controller/action/params/’ and when using it in the view of the primary action, the behaviour should change. When the user clicks the link, no AJAX request is triggerred, instead the client side script fetches the result from some Javascript variable, like $.prerendered\_ajax[’/someurl/to/some/ controller/action/params’] and inserts that into the page. This would allow me to fine tune the amount of static page content and ajax calls to kinda balance bandwith and responsiveness. In order for this to work of course, the server had to put in the result of that AJAX action into the $.prerendered\_ajax array. Question is now: How do I (with the least overhead and without restarting rails entirely) get the result of the AJAX action inside my primary action as a string (and giving the url). ActionController::Base.call seems to be my guy, but the env parameter has holds quite a few values when debugging a normal AJAX call, and I’m not sure how to fill them. Any help welcome! T. Enderling