from milliseconds to hours in js
function msToTime(duration) { var milliseconds = parseInt((duration % 1000) / 100), seconds = Math.floor((duration / 1000) % 60), minutes = Math.floor((duration / (1000 * 60)) % 60), hours = Math.floor((duration / (1000 * 60 * 60)) % 24); hours = (hours < 10) ? "0" + hours : hours; minutes = (minutes < 10) ? "0" + minutes : minutes; seconds = (seconds < 10) ? "0" + seconds : seconds; return hours + ":" + minutes + ":" + seconds + "." + milliseconds; } console.log(msToTime(300000))