odin-default-js-exercises/sumAll/sumAll.js

17 lines
340 B
JavaScript

const sumAll = function(num1, num2) {
if (Math.sign(num1) === 1 && Math.sign(num2) === 1) {
if (Number.isInteger(num1) && Number.isInteger(num2)) {
let total = 0;
for (let i = num1; i < num2 + 1; i++) {
total += i;
}
return total;
} else {
return "ERROR";
}
} else {
return "ERROR";
}
}
module.exports = sumAll