CODE EXAMPLE FOR JAVASCRIPT

how to sum array elements in javascript

// codewars solution
// leetcode solution
// and more

function sum(arr) {
  return arr.reduce( (x,y) => x+y, 0);
}

sum([1, 2, 3, 4]);
// 10
sum([2, 4, 1, 3, 5]);
// 15

// enjoy :)