code: function findRippleElement(el) {
        var rippleElements = params.touchRippleElements;
        var $el = $(el);
        if ($el.is(rippleElements)) {
          if ($el.hasClass('no-ripple')) {
            return false;
          }
          return $el;
        }
        if ($el.parents(rippleElements).length > 0) {
          var rippleParent = $el.parents(rippleElements).eq(0);
          if (rippleParent.hasClass('no-ripple')) {
            return false;
          }
          return rippleParent;
        }
        return false;
      }
docs: Ripple handlers