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comp.lang.ruby

Trouble getting dynamic values fed to my javascript

Xeno Campanoli

5/12/2009 9:31:00 PM

Say, I usually have .rhtml/eruby access to all my values, but I'm seeing this
weird case, possibly because I'm using https instead of http (I cannot think of
anything else) that doesn't allow the values from <%= $x %> to be utilized in
javascript methods. When I do the following:

<%
$x = $cgi['x']
puts "trace $x: #{$x}"
%>

<script type="text/javascript">checkX("<%= $x %>");</script>

in the source view from the browser it always shows:

<script type="text/javascript">checkX("")</script>

even though my logs show the line with "trace $x: value of x".

What gives? Is this a known or unexpected behavior? Is there a way I can get
around it?

I have tried it several ways, and I know I'm not mistaken.

Sincerely, Xeno
2 Answers

Xeno Campanoli

5/12/2009 9:36:00 PM

0

Xeno Campanoli wrote:

eruby --version gives me:

eRuby version 1.0.5
ruby 1.8.6 (2007-09-24 patchlevel 111) [i486-linux]
----snip---

> Say, I usually have .rhtml/eruby access to all my values, but I'm seeing
> this weird case, possibly because I'm using https instead of http (I
> cannot think of anything else) that doesn't allow the values from <%= $x
> %> to be utilized in javascript methods. When I do the following:
>
> <%
> $x = $cgi['x']
> puts "trace $x: #{$x}"
> %>
>
> <script type="text/javascript">checkX("<%= $x %>");</script>
>
> in the source view from the browser it always shows:
>
> <script type="text/javascript">checkX("")</script>
>
> even though my logs show the line with "trace $x: value of x".
>
> What gives? Is this a known or unexpected behavior? Is there a way I
> can get around it?
>
> I have tried it several ways, and I know I'm not mistaken.
>
> Sincerely, Xeno
>
>


Xeno Campanoli

5/12/2009 10:11:00 PM

0

This is kindof a followup of my other email about javascript in my .rhtml files
(eruby with https apache2). What I seem to be generally seeing is that anything
that is not the initial behavior in eruby values that by necessity must be set
outside any blocks in the early <% %> stanza.

If this is known stuff, forgive me. I just need a link, or perhaps a
recommendation to do it another way. I know AJAX goes in Rails, so it must go
here too, right?