getAndRemoveNthHighest

function getAndRemoveNthHighest(arr, n) {
    if (n < 1 || n > arr.length) return null;

    // Create a sorted copy of the array (descending order)
    const sortedCopy = [...arr].sort((a, b) => b - a);
    const valueToRemove = sortedCopy[n - 1];

    // Find and remove the first occurrence in the original array
    const indexToRemove = arr.indexOf(valueToRemove);
    arr.splice(indexToRemove, 1);

    return valueToRemove;
}

// Example usage:
let numbers = [1, 3, 56, 78, 90, 5, 75, 89];
console.log(getAndRemoveNthHighest(numbers, 1)); // 90 (array modified)
console.log(numbers); // [1, 3, 56, 78, 5, 75, 89]

console.log(getAndRemoveNthHighest(numbers, 4)); // 56 (array modified again)
console.log(numbers); // [1, 3, 78, 5, 75, 89]