code: function(node, att) {
          var val = '',
              doc = node[OWNER_DOCUMENT];
  
          if (node[STYLE]) {
              val = doc[DEFAULT_VIEW][GET_COMPUTED_STYLE](node, null)[att];
          }
          return val;
      }
docs: Returns the computed style for the given node.
  @method getComputedStyle
  @param {HTMLElement} An HTMLElement to get the style from.
  @param {String} att The style property to get.
  @return {String} The computed value of the style property.