firestore return the content of an aarray Nodejs

const firebase = require('firebase/app'); require('firebase/firestore');

const firebaseConfig = { apiKey: "YOUR_API_KEY", authDomain: "YOUR_AUTH_DOMAIN", projectId: "YOUR_PROJECT_ID", storageBucket: "YOUR_STORAGE_BUCKET", messagingSenderId: "YOUR_MESSAGING_SENDER_ID", appId: "YOUR_APP_ID" };

firebase.initializeApp(firebaseConfig); const db = firebase.firestore();

db.collection('yourCollection').doc('yourDocument').get() .then(doc => { if (!doc.exists) { console.log('No such document!'); } else { console.log('Document data:', doc.data()); } }) .catch(err => { console.log('Error getting document', err); });