Function reverse

javascript/0043-multiply-strings.js:102–105

(s)

};

const reverse = (s) =>
    s
        .split('') /* Time O(K) | Space O (K) */
        .reverse(); /* Time O(K) */

var update = (num1, i1, num2, i2, buffer) => {
    const product = num1[i1] * num2[i2];