if ($tip.find('.tap-to-close').length === 0) {
        $tip.append('<span class="tap-to-close">'+settings.touch_close_text+'</span>');
        $tip.on('click.fndtn.tooltip.tapclose touchstart.fndtn.tooltip.tapclose MSPointerDown.fndtn.tooltip.tapclose', function(e) {
          self.hide($target);
        });