code: function setStyles(el, styles) {
           var which;
  
           for (which in styles) {
               if (styles.hasOwnProperty(which)) {
                   Dom.setStyle(el, which, styles[which]);
               }
           }
       }
docs: /*
  Private helper functions used by the Carousel component
   
  Set multiple styles on one element.
  @method setStyles
  @param el {HTMLElement} The element to set styles on
  @param style {Object} top:"10px", left:"0px", etc.
  @private