format seconds to hh mm ss javascript code example

Example 1: seconds to hh mm ss javascript

new Date(SECONDS * 1000).toISOString().substr(11, 8)

Example 2: how to convert seaconds into hh:mm:ss in javascript

var date = new Date(0);
date.setSeconds(45); // specify value for SECONDS here
var timeString = date.toISOString().substr(11, 8);
console.log(timeString)