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

29 lines
474 B
JavaScript

const sumAll = function(x, y) {
if (x < 0 || y < 0) {
return "ERROR"
} else if (typeof x != "number" || typeof y != "number") {
return "ERROR"
}
let diff = x - y
if (diff < 0) {
diff *= -1
}
let sum = 0
let min = x
if (x > y) {
min = y
}
for (let i = 0; i <= diff; i++) {
sum += min
min++
}
return sum
};
// Do not edit below this line
module.exports = sumAll;