Second Largest Number (JS)

secondLargestNum.js

function secondLargest(arr) {
    let largest = Number.MIN_VALUE;
    let secondLargest = Number.MIN_VALUE;

    for (let i = 0; i < arr.length; i++) {
        if (arr[i] > largest) {
            secondLargest = largest;
            largest = arr[i];
        }

        if (arr[i] < largest && arr[i] > secondLargest) secondLargest = arr[i];
    }

    return secondLargest;
}