includesAny Checks if at least one element of values is included in arr. Use Array.prototype.some() and Array.prototype.includes() to check if at least one element of values is included in arr. const includesAny = (arr, values) => values.some(v => arr.includes(v)); includesAny([1, 2, 3, 4], [2, 9]); // true includesAny([1, 2, 3, 4], [8, 9]); // false