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hooks/use-previous

Functions​

usePrevious()​

usePrevious<T>(value): T | undefined

Defined in: hooks/use-previous.ts:10

Returns the value from the previous render. On the first render it returns undefined, since there is no prior value yet.

Type Parameters​

T​

T

Parameters​

value​

T

Returns​

T | undefined

Example​

const prevCount = usePrevious(count)