Reverse an Array of Numbers

function reverseAnArrayOfNumbers(num, input) {
    let arr = []; // create a new array
    for (let i = 0; i < num; i++) {
        arr.push(input[i]);
    }
    let result = '';
    for (let i = arr.length - 1; i >= 0; i--) {
        result += `${arr[i]} `;
    }
    console.log(result);
}