Nodejs String to Time Format toHHMM()

Method Source Code

String.prototype.toHHMM = function () {
    var sec_num = parseInt(this, 10); // don't forget the second param
    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 > 0){
      return hours+'h '+minutes+'m'
    }else{//from ww w  . j av  a  2  s.  c  o  m
       return minutes+'m';
    }
};

Related

1. toHHMM()

   String.prototype.toHHMM = function () {
       var dur = parseFloat(this) * 60;
       var hours = (Math.floor(dur / 60)).toFixed(0);
       var minutes = (dur % 60).toFixed(0);
       if (minutes < 10) {minutes = "0"+minutes;}
       return hours+':'+minutes;
   

2. toHHMMSS()

   String.prototype.toHHMMSS = function() {
     var sec_num = parseInt(this, 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;
   ...
   

3. toHHMMSS()

   String.prototype.toHHMMSS = function () {
     var sec_num = parseInt(this, 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;}
     var time    = hours+':'+minutes+':'+seconds;
   ...
   

4. toHHMMSS()

   String.prototype.toHHMMSS = function () {
     var sec_num = parseInt(this, 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;}
     var time    = hours+':'+minutes+':'+seconds;
   ...
   

5. toHHMMSS()

   String.prototype.toHHMMSS = function () {
       var sec_num = parseInt(this, 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; }
       var time = hours + ':' + minutes + ':' + seconds;
   ...