code: function() {
      var value = [];
  
      if (typeof this.ruleValue === 'string') {
        value = this.ruleValue.split(',');
      }
  
      if (typeof this.ruleValue === 'number') {
        value.push(this.ruleValue);
      }
  
      if (this.ruleValue instanceof Array) {
        value = this.ruleValue;
      }
  
      return value;
    }
docs: Get parameters
  
  @return {array}