array_or_string_for_javascript

# File actionpack/lib/action_view/helpers/javascript_helper.rb, line 181
      def array_or_string_for_javascript(option)
        js_option = if option.kind_of?(Array)
          "['#{option.join('\',\'')}']"
        elsif !option.nil?
          "'#{option}'"
        end
        js_option
      end