javascript - Firebase Firestory query where stored timestamp is in the past

Question

I need to delete all Documents which have a timestamp (stored in a field) prior to today.

The timestamp is created in the Firestore GUI. The following query doesnt return any docs.

collectionRef
.where('timestampFieldName', '<', Date.now())
.get()

What exactly is a timestamp, created in the GUI and how to compare it with any date?

Answer 1

Waitting for answers