Function initBuffer

javascript/0043-multiply-strings.js:21–25

(num1, num2)

};

var initBuffer = (num1, num2) => {
    const size = num1.length + num2.length;

    return new Array(size).fill(0); /* Space (N + M) */
};

var multiplication = (num1, num2, buffer) => {
    for (let i = num1.length - 1; 0 <= i; i--) {