What will be the output of the following recursive function?

function findMax(arr) {
  if (arr.length === 1) {
    return arr[0];
  }
  let subMax = findMax(arr.slice(1));
  return arr[0] > subMax ? arr[0] : subMax;
}
console.log(findMax([3, 6, 2, 8, 1]));