firestore update a document without document id code example
Example: firestore get id of new document
async function addCity(newCity) {
const { id } = await db.collection("cities").add(newCity)
console.log("the new city's id:", id)
}
async function addCity(newCity) {
const { id } = await db.collection("cities").add(newCity)
console.log("the new city's id:", id)
}