[Missing documentation](https://github.com/hapijs/joi/blob/v14.3.1/API.md#validatevalue-schema-options-callback) on the [strip option](https://github.com/hapijs/joi/blob/bc09c65adcf5ed9532be1c0d2f22a07d33aa7d7f/lib/schemas.js#L22) for the Joi.validate function.