javascript_include_tag

# File actionpack/lib/sprockets/helpers/rails_helper.rb, line 20
      def javascript_include_tag(*sources)
        options = sources.extract_options!
        debug = options.key?(:debug) ? options.delete(:debug) : debug_assets?
        body  = options.key?(:body)  ? options.delete(:body)  : false
        digest  = options.key?(:digest)  ? options.delete(:digest)  : digest_assets?

        sources.collect do |source|
          if debug && asset = asset_paths.asset_for(source, 'js')
            asset.to_a.map { |dep|
              super(dep.pathname.to_s, { :src => path_to_asset(dep, :ext => 'js', :body => true, :digest => digest) }.merge!(options))
            }
          else
            super(source.to_s, { :src => path_to_asset(source, :ext => 'js', :body => body, :digest => digest) }.merge!(options))
          end
        end.flatten.uniq.join("\n").html_safe
      end