Triangular Treasure

Triangular TreasureCodewars

Approach

Solution

JavaScript

const triangular = (n) => {
  let result = 0;
  
  while (n > 0) {
    result += n;
    n -= 1;
  }
  
  return result;
};

JavaScript

const triangular = (n, sum = 0) => n ? triangular(n - 1, sum + n) : sum;