xxxxxxxxxx
const milliseconds = 76329456;
const formatTime = milliseconds => {
const seconds = Math.floor((milliseconds / 1000) % 60);
const minutes = Math.floor((milliseconds / 1000 / 60) % 60);
const hours = Math.floor((milliseconds / 1000 / 60 / 60) % 24);
return [
hours.toString().padStart(2, "0"),
minutes.toString().padStart(2, "0"),
seconds.toString().padStart(2, "0")
].join(":");
}
const formattedTime = formatTime(milliseconds);
console.log(formattedTime); // 21:12:09