Find the second largest number in a array

function findSecondLargest(arr) {
  // Sort the array in descending order
  arr.sort(function(a, b) {
    return b - a;
  });

  // Return the element at index 1 (the second largest)
  return arr[1];
}

// Example usage
const numbers = [10, 5, 8, 20, 15];
const secondLargest = findSecondLargest(numbers);
console.log("The second largest number is:", secondLargest);

Output:

The second largest number is: 15

Execute above code here