Encontrar el numero mas grande en un arreglo de enteros in Javascript

//function to find the largest number in an array
function findLargestNumber(arr) {
  //set the largest number to the first number in the array
  let largestNumber = arr[0];

  //loop through the array
  for (let i = 0; i < arr.length; i++) {
    //if the current number is greater than the largest number
    if (arr[i] > largestNumber) {
      //set the current number as the largest number
      largestNumber = arr[i];
    }
  }

  //return the largest number
  return largestNumber;
}

//example
const result = findLargestNumber([1, 2, 3, 4, 5]);

//output
console.log(result); //5