useAbs 
Reactive Math.abs.
Usage 
ts
import { useAbs } from '@vueuse/math'
const value = ref(-23)
const absValue = useAbs(value) // Ref<23>Type Declarations 
ts
/**
 * Reactive `Math.abs`.
 *
 * @see https://vueuse.org/useAbs
 *
 * @__NO_SIDE_EFFECTS__
 */
export declare function useAbs(
  value: MaybeRefOrGetter<number>,
): ComputedRef<number>