On Sat, Dec 31, 2011 at 12:54 AM, K.M. <[email protected]> wrote: > hi guys, > I am now rewriting an existing app (rails 2.3.8) with rails 3.1.x. > > As observe_field() is no longer the way to go with rails 3 when ajax > is used, I am trying to rewrite a piece of functionality for when a > select box (drop down) with a div id of 'category' is clicked > (onChange), > -a call is made to the sub_categories controller with the category ID > (from the selected option in the category select box) > -the sub categories belonging to the selected category ID will be > returned and a another select box is to be generated in the div with > id of 'sub_category'. > > > I'm looking at > http://www.simonecarletti.com/blog/2010/06/unobtrusive-javascript-in-rails-3/ > and I have a question now. > > How do I go about passing a variable value to the javascript that > performs the asynchronous call? > > For example, i have : > > // Append the function to the "document ready" chain > jQuery(function($) { > // when the #search field changes > $("#category").change(function() { > // make a POST call and replace the content > $.post(<%= category_sub_categories_path %>, function(data) { > $("#results").html(data); > }); > }); > }) > > > > -how do I pass the category id (which is a form value) to the > category_sub_categories_path?? > -would the category_id value be valid in the jQuery call? >
This has nothing to do with Rails, this is a strictly jQuery question. Take a look at the $.post documentation[1] Cheers. [1]http://api.jquery.com/jQuery.post/ -- Leonardo Mateo. There's no place like ~ -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
