code: function(el) {
              var f = function(el) {
                  return Y.Dom.getXY(el)[0];
              };
              
              return Y.Dom.batch(el, f, Y.Dom, true);
          }
docs: NOTE: Executing for loadtime branching 
  Gets the current X position of an element based on page coordinates.  The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
  @method getX
  @param {String | HTMLElement | Array} el Accepts a string to use as an ID, an actual DOM reference, or an Array of IDs and/or HTMLElements
  @return {Number | Array} The X position of the element(s)