PreferenceGetPreviousIndex

Callable

• PreferenceGetPreviousIndex(List: readonly unknown[], Index: number): number

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• Returns the index of the previous preference list item (and wraps back to the end of the list if currently at 0)

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  Parameters

  • List: readonly unknown[]

    The preference list

  • Index: number

    The current preference index for the given list

  Returns number

  • The index of the previous item in the array, or the last item in the array if currently at 0