Sometimes, we want to query Firestore database for document ID with JavaScript.
In this article, we’ll look at how to query Firestore database for document ID with JavaScript.
How to query Firestore database for document ID with JavaScript?
To query Firestore database for document ID with JavaScript, we call the doc
method.
For instance, we write
const book = db.collection("books").doc("fK3ddutEpD2qQqRMXNW5").get();
to get the books
collection with
db.collection("books")
Then we call doc
to get the entry from the books
collection with ID 'fK3ddutEpD2qQqRMXNW5'
.
Finally, we call get
to return the object with the given ID.
Conclusion
To query Firestore database for document ID with JavaScript, we call the doc
method.