def _init_tag_params(self, tag, params):
        """
        Alternative constructor used when the tag parameters are added to the
        HTMLElement (HTMLElement(tag, params)).

        This method just creates string and then pass it to the
        :meth:`_init_tag`.

        Args:
            tag (str): HTML tag as string.
            params (dict): HTML tag parameters as dictionary.
        """
        self._element = tag
        self.params = params
        self._parseTagName()
        self._istag = True
        self._isendtag = False
        self._isnonpairtag = False

        self._element = self.tagToString()