calculate-from-index-right-x v3.1.2

calculate-from-index-right-x

Calculates a fromIndexRight of a given value for an array.

module.exports(array, fromIndex) ⇒ number ⏏

This method calculates a fromIndexRight of a given value for an array.

Kind: Exported function
Returns: number - The calculated fromIndex. Default is 0.
Throws:

• TypeError If array is null or undefined.

Example

import calcFromIndexRight from 'calculate-from-index-right-x';

calcFromIndexRight([1, 2, 3], 1); // 1
calcFromIndexRight([1, 2, 3], Infinity); // 2
calcFromIndexRight([1, 2, 3], -Infinity); // -Infinity
calcFromIndexRight([1, 2, 3], -1); // 2