It seems that inside of HAML's :javascript
filter, no Ruby code is
allowed, not even a comment.
So this is NOT allowed:
:javascript
- 1.upto(10) do |i|
:javascript
-# just a comment not to show to public
(somebody said there is not way to hide comment like that inside a
:javascript
filter. Is that true?
but it seems the only thing allowed is
:javascript
$('#aDiv').html('#{a_ruby_variable}');
only this #{ } is allowed. Nothing else that is Ruby is allowed?
As I said on your other question, filters are (almost) entirely parsed separately from Haml. The only exception to this is #{}
: for filters that just transform static text (that is, text that doesn't interact with the Ruby environment at all, so most filters other than :ruby
and :erb
), Haml adds this as a handy way of adding a Ruby value.
If you're looking for more complex Ruby integration with your text, filters are not the place to go. They're meant to be handy, not the be-all end-all solution to, say, putting JS in your template.
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