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

22 lines
460 B
JavaScript

const sumAll = function(arg1, arg2) {
let sum = 0;
if (typeof(arg1) != 'number' || typeof(arg2) != 'number' || arg1 < 0 || arg2 < 0) {
return "ERROR";
}
let small, big;
if (arg1 < arg2) {
small = arg1;
big = arg2;
} else {
small = arg2;
big = arg1;
}
for (let i = small; i <= big; i++) {
sum += i;
}
return sum;
};
// Do not edit below this line
module.exports = sumAll;