Pass a ruby value to javascript in form_remote_tag

Rails
1

hi, guys, I am trying to pass a ruby value to a javascript function
which is called in “:complete” of a form_remote_tag, but everytime I
submit the form, javascript can’t get the changed value.

Here is how I tried.

in rhtml file,
<%= form_remote_tag :url =>{:action => ‘dosomething’},
:complete => “func(#{@session[:var]});”%>
…
…
<%= end_form_tag %>

in rb file,

class MyController < ApplicationController
def dosomething
# update var and put it into session
…
end
end

Any hints on what’s wrong here?

And I tried the way Pratik mentioned
here(Replace_html + javascript - Rails - Ruby-Forum) to regenerate the
javascript,
but it seems not working.

Advices will be appreciated.

2 
                :complete => "func(#{@session[:var]});"%>

it’s the quotes i think
try

                :complete => "func( '#{@session[:var]}' );"%>

hope this helps,
phil

On 6 Sep., 19:59, “Deramoo A.” [email protected]

3

thank you, phil, I tried that way, but it didn’t work. The value
remained to
be the same as html first rendered.

deramoo

[email protected] wrote:

                :complete => "func(#{@session[:var]});"%>

it’s the quotes i think
try

                :complete => "func( '#{@session[:var]}' );"%>

hope this helps,
phil

On 6 Sep., 19:59, “Deramoo A.” [email protected]

4

Now I put the value into XMLHttpRequest, and pass
the whole responseText of XMLHttpRequest to the javascript function.
Thus I can parse the text and get the updated ruby value.
It’s quite a lame solution, I think, but by now I have no other ways.

Deramoo A. wrote:

thank you, phil, I tried that way, but it didn’t work. The value
remained to
be the same as html first rendered.

deramoo