JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Snapshots / 258

This lecture introduces the concept of using the onSnapshot method in Firebase to automatically update data in real-time whenever changes occur, such as adding or deleting items. The instructor demonstrates how to implement onSnapshot, access and manipulate data, and create a movie array. The lecture concludes with a preview of the next topic, which will cover querying and filtering data.

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