📅  最后修改于: 2022-03-11 15:04:13.659000             🧑  作者: Mango
let data = {
name: 'Los Angeles',
state: 'CA',
country: 'USA'
};
// Add a new document in collection "cities" with ID 'LA'
let setDoc = db.collection('cities').doc('LA').set(data);