hard20 pts · first answer countsstate-managementux-patterns

Optimistic like button done right

A like button updates the count instantly before the server responds. What else does a correct optimistic update need?

A.Nothing; if the request fails the next page load will fix the countB.Disable the button for 5 seconds after each clickC.Keep the previous value, roll back to it and show an error if the request fails, and make sure a late response cannot overwrite newer stateD.Retry the request in an infinite loop until it succeeds

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Optimistic like button done right

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