Beginner Series #3 Sum of Numbers

Beginner Series #3 Sum of NumbersCodewars

Approach

1. Convert a small number to a and a large number to b.

2. define *result variable

3. while a <= b

   1. add a to result

   2. increase 1 to a

4. return result

Solution

JavaScript

const getSum = (a, b) => {
  [a, b] = a > b ? [b, a] : [a, b];
  
  let result = 0;
  
  while (a <= b) {
    result += a;
    a++;
  }
  
  return result;
};