# Rjs woes, any hints?

**URL:** <https://www.ruby-forum.com/t/rjs-woes-any-hints/58536>\
**Category:** Rails\
**Created:** [April 22, 2006, 9:08pm UTC](https://www.ruby-forum.com/t/rjs-woes-any-hints/58536 "2006-04-22T21:08:39Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![cwd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/da6949/32.png) [@cwd](https://www.ruby-forum.com/u/cwd)\
**Post date:** [April 22, 2006, 9:08pm UTC](https://www.ruby-forum.com/t/rjs-woes-any-hints/58536/1 "2006-04-22T21:08:39Z")

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I’ve pared my rjs experiment down to what seems a bare minimum. When I  
click  
on my link\_to\_remote, the rjs executes, returns the correct javascript  
to  
the browser, but it doesn’t update the div I’ve specified. What appears  
to  
be coming back from the controller is:

Element.update(“my\_form”, “hello, rjs”);

I’m tearing my hair out. Here’s the code (any help is much appreciated):

–post\_controller.rb–

def new  
end

–new.rjs–  
page.replace\_html ‘my\_form’, ‘hello, rjs’

–list.rhtml–

\<%= link\_to\_remote('+', :url =\> {:action =\> 'new'}) %\>

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---

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**Author:** ![cwd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/da6949/32.png) [@cwd](https://www.ruby-forum.com/u/cwd)\
**Post date:** [April 22, 2006, 10:23pm UTC](https://www.ruby-forum.com/t/rjs-woes-any-hints/58536/2 "2006-04-22T22:23:15Z")

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Have you included the appropriate javascript files in the headers of  
your layout?

On Saturday, April 22, 2006, at 12:06 PM, s.ross wrote:

> removed\_email\_address@domain.invalid  
> [http://lists.rubyonrails.org/mailman/listinfo/rails](http://lists.rubyonrails.org/mailman/listinfo/rails)

\_Kevin

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**Author:** ![cwd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/da6949/32.png) [@cwd](https://www.ruby-forum.com/u/cwd)\
**Post date:** [April 22, 2006, 10:35pm UTC](https://www.ruby-forum.com/t/rjs-woes-any-hints/58536/3 "2006-04-22T22:35:42Z")

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I included:

## I expect not all of these are necessary, but that’s what I currently have.

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**Author:** ![cwd](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/da6949/32.png) [@cwd](https://www.ruby-forum.com/u/cwd)\
**Post date:** [April 23, 2006, 1:45am UTC](https://www.ruby-forum.com/t/rjs-woes-any-hints/58536/4 "2006-04-23T01:45:59Z")

</div>

I’ve pared this back even further and discovered something strange  
happens. I  
created a new rails app and got rjs working fine. I ported exactly that  
functionality back to my main dev tree, ran rake  
rails:update:javascripts  
and the working code from the fresh test app fails in the real app.

## I’ve verified that the javascripts are the same release. The XHTML validates, the CSS validates… Is there any other factor that might shed some light on this?

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