Generate the list of skippers of page.

        :return: The list of skippers of page.
        :rtype: hatemile.util.html.htmldomelement.HTMLDOMElement

def _generate_list_skippers(self):
        """
        Generate the list of skippers of page.

        :return: The list of skippers of page.
        :rtype: hatemile.util.html.htmldomelement.HTMLDOMElement
        """

        container = self.parser.find(
            '#'
            + AccessibleNavigationImplementation.ID_CONTAINER_SKIPPERS
        ).first_result()
        html_list = None
        if container is None:
            local = self.parser.find('body').first_result()
            if local is not None:
                container = self.parser.create_element('div')
                container.set_attribute(
                    'id',
                    AccessibleNavigationImplementation.ID_CONTAINER_SKIPPERS
                )
                local.prepend_element(container)
        if container is not None:
            html_list = self.parser.find(container).find_children(
                'ul'
            ).first_result()
            if html_list is None:
                html_list = self.parser.create_element('ul')
                container.append_element(html_list)
        self.list_skippers_added = True

        return html_list