code: function expandShorthandAndAntiAlias(property, value, result) {
      if (isNotAnimatable(property)) {
        return;
      }
      var longProperties = shorthandToLonghand[property];
      if (longProperties) {
        shorthandExpanderElem.style[property] = value;
        for (var i in longProperties) {
          var longProperty = longProperties[i];
          var longhandValue = shorthandExpanderElem.style[longProperty];
          result[longProperty] = antiAlias(longProperty, longhandValue);
        }
      } else {
        result[property] = antiAlias(property, value);
      }
    }
docs: This delegates parsing shorthand value syntax to the browser.