20 lines
334 B
JavaScript
20 lines
334 B
JavaScript
const sumAll = function(a, b) {
|
|
if (typeof a !== 'number' || typeof b !== 'number'
|
|
|| a < 0 || b < 0) {
|
|
return 'ERROR';
|
|
}
|
|
if (a > b) {
|
|
let temp = a;
|
|
a = b;
|
|
b = temp;
|
|
}
|
|
let sum = 0;
|
|
for (i = a; i <= b; i++) {
|
|
sum += i;
|
|
}
|
|
return sum;
|
|
};
|
|
|
|
// Do not edit below this line
|
|
module.exports = sumAll;
|