# File lib/action_view/helpers/javascript_helper.rb, line 19
      def escape_javascript(javascript)
        if javascript
          result = javascript.gsub(/(\\|<\/|\r\n|[\n\r"'])/) {|match| JS_ESCAPE_MAP[match] }
          javascript.html_safe? ? result.html_safe : result
        else
          ''
        end
      end