how to get all the documents and collection inside a collection javascript firestore code example
Example: firestore get all documents in collection
// retrieve a collection
db.collection('documents')
.get()
.then(querySnapshot => {
const documents = querySnapshot.docs.map(doc => doc.data())
// do something with documents
})
// retrieve a document
db.collection('documents')
.doc(documentId)
.get()
.then(snapshot => {
const document = snapshot.data()
// do something with document
})