code: function(originalAttrs, newAttrs) {
              for (var key in newAttrs) {
                  if (newAttrs.hasOwnProperty(key) && typeof originalAttrs[key] === 'undefined' || newAttrs[key] !== originalAttrs[key]) {
                      return true;
                  }
              }
              return false;
          }
docs: /*
  Check wether newAttrs object bring modifications to originalAttrs object