Digital clock using JavaScript

digital-clock.js

const clock = document.createElement("div");
document.body.appendChild(clock);

const getTime = () => {
  const date = new Date();
  let hour = date.getHours();
  let min = date.getMinutes();
  let sec = date.getSeconds();
  hour = (hour < 10) ? "0" + hour : hour;
  min = (min < 10) ? "0" + min : min;
  sec = (sec < 10) ? "0" + sec : sec;
  let meridiem;
  if (hour > 12) {
    meridiem = "PM";
    hour = hour - 12;
  } else {
    meridiem = "AM";    
  }
  const time = hour + ":" + min + ":" + sec + " " + meridiem;
  clock.innerText = time;
};

setInterval(getTime, 1000);

Source => https://w3collective.com/digital-clock-javascript/