[Rails] Re: rails w/ jquery

Difei Zhao wrote:
> Starr Horne wrote:
>> On Tue, 3 Mar 2009 20:25:58 -0600
>> Greg Donald <gdonald@gmail.com> wrote:
>>
>>> > allowed you to render partials in the .rjs file and execute the
>>> > javascript which updates the page, how can I do that using jquery?
>>> > Thanks in advance!
>>
>>
>> I have successfully used the jRails plugin. You just drop it in and it
>> changes the built in JS jelpers to use jquery.
>> http://ennerchi.com/projects/jrails
>>
>>
>> --
>> Starr Horne
>> My blog: http://starrhorne.com
>> Check out my Helpdesk RailsKit: http://railskits.com/helpdesk/
>
> Hi, since I'd like write js code by hand with jquery, so "render
> :partial" in .js.erb file just fills my needs.

for newbies like me who don't want to use jrails in rails 3 and might
need it spelled out, rather than:

render :update do |page|
page.replace_html 'preview', :partial => 'preview'
end

do something like this in your controller:

render :action => :preview

and in your preview.js.erb file do something like:

jQuery('#preview').html('<%= javascript_escape(render(:partial =>
"preview")) %>');

of course, you'd also need a partial named _preview.erb (or
_preview.haml)

good luck!
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