React JS Masterclass - Go From Zero To Job Ready - Snapshots / 258

The lecture discusses the use of the onSnapshot method in Firebase to automatically update data in real-time when changes occur, such as adding or deleting movies. It explains how to use onSnapshot to access and manipulate data, create a movie array, and log changes. The lecture also highlights the snapshot callback function and previews the next lecture on querying and filtering data.

How does the onSnapshot method handle real-time updates in the database?

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What happens when a movie is added or deleted using the onSnapshot method?

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In what scenarios might you prefer using onSnapshot over getDoc?

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