default 할당 가능
/** * @param {Object} obj - An object. * @param {string} obj.prop1 - Property 1. * @param {string} obj.prop2 - Property 2. */
/** * @param {Object} obj - An object. * @param {string} obj.prop1 - Property 1. * @param {string} obj.prop2 - Property 2. */