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

19 lines
464 B
JavaScript

const sumAll = function(minimum, maximum) {
let sum=0;
let min = minimum
let max = maximum
if (typeof(min) !== 'number' || typeof(max) !== 'number' || min < 0 || max < 0){
return 'ERROR'
} else if(min > max){
min = maximum
max = minimum
}
for (let i = min;i <= max; i++){
sum += i
}
return sum
};
console.log(sumAll(1,5) === 15?true:false)
// Do not edit below this line
module.exports = sumAll;