Check out a free preview of the full Firebase + React: Real-time, Serverless Web Apps course:
The "Writing Data to Firebase" Lesson is part of the full, Firebase + React: Real-time, Serverless Web Apps course featured in this preview video. Here's what you'd learn in this lesson:

Steve shows how to save data in Firebase using push, which generates a unique key. - https://firebase.google.com/docs/reference/js/firebase.database.Reference

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