code: function(el, className) {
              return Y.Dom.batch(el, Y.Dom._hasClass, className);
          }
docs: Determines whether an HTMLElement has the given className.
  @method hasClass
  @param {String | HTMLElement | Array} el The element or collection to test
  @param {String} className the class name to search for
  @return {Boolean | Array} A boolean value or array of boolean values