react / useState

Function: useState()

useState(initialState)

function useState<S>(initialState: S | () => S): [S, Dispatch<SetStateAction<S>>]

Returns a stateful value, and a function to update it.

Type Parameters

Type Parameter
S

Parameters

Parameter Type
initialState S | () => S

Returns

[S, Dispatch<SetStateAction<S>>]

Version

16.8.0

See

https://react.dev/reference/react/useState

Defined in

.pnpm/@types+react@18.3.11/node_modules/@types/react/ts5.0/index.d.ts:1876

useState()

function useState<S>(): [S | undefined, Dispatch<SetStateAction<S | undefined>>]

Returns a stateful value, and a function to update it.

Type Parameters

Type Parameter Default type
S undefined

Returns

[S | undefined, Dispatch<SetStateAction<S | undefined>>]

Version

16.8.0

See

https://react.dev/reference/react/useState

Defined in

.pnpm/@types+react@18.3.11/node_modules/@types/react/ts5.0/index.d.ts:1884

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