odin-default-js-exercises/05_sumAll/solution/sumAll-solution.js

14 lines
310 B
JavaScript

const sumAll = function (min, max) {
if (!Number.isInteger(min) || !Number.isInteger(max)) return "ERROR";
if (min < 0 || max < 0) return "ERROR";
if (min > max) [min, max] = [max, min];
let sum = 0;
for (let i = min; i < max + 1; i++) {
sum += i;
}
return sum;
};
module.exports = sumAll;