DAY19：Beginner Series #3 Sum of Numbers

題目連結

Beginner Series #3 Sum of Numbers

解法

function getSum(a, b)
{
   const start = Math.min(a, b);
   const end = Math.max(a, b);
   let sum = 0;
   for (let i = start; i <= end; i++) {
     sum += i;
   }
   return sum;
}

心得

先找出最大和最小值
再利用迴圈一個一個加起來