Seconds to hh mm ss

toHHMMSS.js

toHHMMSS(secs: number) {
      var sec_num = parseInt(Math.abs(secs), 10);
      var hours   = Math.floor(sec_num / 3600);
      var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
      var seconds = sec_num - (hours * 3600) - (minutes * 60);
      if (hours   < 10) {hours   = "0"+hours;}
      if (minutes < 10) {minutes = "0"+minutes;}
      if (seconds < 10) {seconds = "0"+seconds;}
      if(hours > 0) {
        return hours+'h '+minutes+'m '+seconds+'s';
      }
      if(minutes > 0) {
        return minutes+'m '+seconds;
      }
      if(seconds > 0) {
        return seconds+'s';
      }
      return 'N/A';
  }