06. Max Number - while - loops

function maxNumber(input) {
    let n = Number(input.shift());
    let counter = 0;
    let maxNumber = Number.MIN_SAFE_INTEGER;

    while (n > counter) {
        let num = Number(input.shift());
        if(num > maxNumber) {
            maxNumber = num;
        }
        counter ++
    }

    console.log(maxNumber);
}