src/Remote/Validator.php
protected function validateJsRemoteRequest($attribute, $parameters)
    {
        $this->setRemoteValidation($attribute, $parameters['validate_all']);

        $validator = $this->validator;
        if ($validator->passes()) {
            return true;
        }

        return $validator->messages()->get($attribute);
    }
protected function validateJsRemoteRequest($attribute, $parameters)
    {
        $this->setRemoteValidation($attribute, $parameters['validate_all']);

        $validator = $this->validator;
        if ($validator->passes()) {
            return true;
        }

        return $validator->messages()->get($attribute);
    }
Validate remote Javascript Validations.

@param $attribute
@param array $parameters
@return array|bool