Nuxt/docs/3.api/3.utils/clear-nuxt-state.md

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# `clearNuxtState`
Delete cached state of `useState`.
This method is useful if you want to invalidate the state of `useState`.
## Type
```ts
clearNuxtState (keys?: string | string[] | ((key: string) => boolean)): void
```
## Parameters
* `keys`: One or an array of keys that are used in `useState` to delete their cached state. If no keys are provided, **all state** will be invalidated.