javascript convert time in milliseconds to date code example

Example 1: convert milliseconds to minutes and seconds javascript

const millisToMinutesAndSeconds = (millis) => {
    var minutes = Math.floor(millis / 60000);
    var seconds = ((millis % 60000) / 1000).toFixed(0);
	//ES6 interpolated literals/template literals 
  	//If seconds is less than 10 put a zero in front.
    return `${minutes}:${(seconds < 10 ? "0" : "")}${seconds}`;
}

Example 2: js read date from milliseconds

const miliseconds = 1604395966369;

const date = new Date(miliseconds);

Example 3: convert milliseconds to time javascript

function msToTime(s) {

  // Pad to 2 or 3 digits, default is 2
  function pad(n, z) {
    z = z || 2;
    return ('00' + n).slice(-z);
  }

  var ms = s % 1000;
  s = (s - ms) / 1000;
  var secs = s % 60;
  s = (s - secs) / 60;
  var mins = s % 60;
  var hrs = (s - mins) / 60;

  return pad(hrs) + ':' + pad(mins) + ':' + pad(secs) + '.' + pad(ms, 3);
}

console.log(msToTime(55018))