function updateClock(){
    const time = new Date();
    const hours = time.getHours().toString().padStart(2, "0");
    const minutes = time.getMinutes().toString().padStart(2, "0");
    const seconds = time.getSeconds().toString().padStart(2, "0");
    const time_string = `${hours}:${minutes}:${seconds}`;
    document.getElementById("clock").textContent = time_string;
}

updateClock();
setInterval(updateClock, 1000);