Biggest Number

function biggestNumber(input) {
    index = 0;
    command = input[index];
    index++;
    let maxNum = Number.MIN_SAFE_INTEGER;
    while (command !== "Stop") {
        let currentNumber = Number(command);
        if (maxNum < currentNumber) {
            maxNum = currentNumber;
        }
        command = input[index];
        index++;
    }
    console.log(maxNum);
}