Design Patterns · Junior · Question 67 of 75

What is an optimistic UI update?

✓Correct answer: Showing the expected result immediately and rolling back if the server request fails
2Hiding errors from the user
3Loading all data in advance

Explanation

It makes likes and toggles feel instant. It needs a rollback path and is unsuitable for actions that rarely succeed or can't be undone.

Further reading

TanStack Query: Optimistic Updates ↗

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