Clean Code Solution

clean-code-solution.js

function humanReadable(seconds) {
  let hours = getHours(seconds)
  let mins = getMins(seconds - (hours * 60 * 60))
  let sec = seconds - (mins * 60) - (hours * 60 * 60)
  
  return [hours, mins, sec].map(padZerosToTensPlace).join(':')
} 
function getHours(seconds) {
  return Math.floor((seconds / (60 * 60)))
}
function getMins(seconds) {
  return Math.floor(seconds / 60)
}
function padZerosToTensPlace(value) {
  return (value / 10 > 1) ? '' + value : `0${value}`
}