code: function (attribute, rulePassed) {
  
      var stopOnAttributes = this.stopOnAttributes;
      if (typeof stopOnAttributes === 'undefined' || stopOnAttributes === false || rulePassed === true) {
        return false;
      }
  
      if (stopOnAttributes instanceof Array) {
        return stopOnAttributes.indexOf(attribute) > -1;
      }
  
      return true;
    }
docs: Determine if we should stop validating.
  
  @param  {string} attribute
  @param  {boolean} rulePassed
  @return {boolean}