teamcapybara/capybara · error · ArgumentError

You must specify at least one CSS style

Error message

You must specify at least one CSS style

What it means

Error "You must specify at least one CSS style" thrown in teamcapybara/capybara.

Source

Thrown at lib/capybara/node/element.rb:88

      # @param  [Symbol] attribute     The attribute to retrieve
      # @return [String]               The value of the attribute
      #
      def [](attribute)
        synchronize { base[attribute] }
      end

      ##
      #
      # Retrieve the given CSS styles.
      #
      #     element.style('color', 'font-size') # => Computed values of CSS 'color' and 'font-size' styles
      #
      # @param [Array<String>] styles   Names of the desired CSS properties
      # @return [Hash]            Hash of the CSS property names to computed values
      #
      def style(*styles)
        styles = styles.flatten.map(&:to_s)
        raise ArgumentError, 'You must specify at least one CSS style' if styles.empty?

        begin
          synchronize { base.style(styles) }
        rescue NotImplementedError => e
          begin
            evaluate_script(STYLE_SCRIPT, *styles)
          rescue Capybara::NotSupportedByDriverError
            raise e
          end
        end
      end

      ##
      #
      # @return [String]    The value of the form element
      #
      def value
        synchronize { base.value }

View on GitHub (pinned to 15b5fdb76e)

When it happens

Trigger: Thrown at lib/capybara/node/element.rb:88 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of teamcapybara/capybara@15b5fdb76e (2026-08-21). Data as JSON: /api/errors/4eb7789f8b1618e8. Report an issue: GitHub.