Nodejs Date Convert toShortTime()

Method Source Code

Date.prototype.toShortTime = function() {
    return ('0' + this.getHours()).slice(-2) + ':' + ('0' + this.getMinutes()).slice(-2);
}

Related

1. toReadableTime()

   Date.prototype.toReadableTime = function() {
     if(this.getHours()>0) {
       return this.getHours()+"h "+this.getMinutes()+" min"
     } else {
       return this.getMinutes()+" min"
   

2. toRelativeTime( now_threshold )

   Date.prototype.toRelativeTime = function( now_threshold ) {
     var delta = new Date() - this;
     now_threshold = parseInt(now_threshold, 10);
     if (isNaN(now_threshold)) {
       now_threshold = 0;
     if (delta <= now_threshold) {
       return 'Just now';
     var units = null;
     var conversions = {
         millisecond : 1, 
         second : 1000, 
         minute : 60, 
         hour : 60, 
         day : 24, 
         month : 30, 
         year : 12
     };
     for ( var key in conversions) {
       if (delta < conversions[key]) {
         break;
       else {
         units = key; 
         delta = delta / conversions[key];
     delta = Math.floor(delta);
     if (delta !== 1) {
       units += "s";
     return [ delta, units ].join(" ");
   };
   Date.fromString = function( str ) {
     return new Date(Date.parse(str));
   };
   

3. toRelativeTime()

   Date.prototype.toRelativeTime = function() {
     var delta       = new Date() - this;
     var units       = null;
     var conversions = {
       millisecond: 1, 
       second: 1000,   
       minute: 60,     
       hour:   60,     
       day:    24,     
   ...
   

4. toRelativeTime(now_threshold)

   Date.prototype.toRelativeTime = function(now_threshold) {
     var delta = new Date() - this;
     now_threshold = parseInt(now_threshold, 10);
     if (isNaN(now_threshold)) {
       now_threshold = 0;
     if (delta <= now_threshold) {
       return 'Just now';
     var units = null;
     var conversions = {
       millisecond: 1, 
       second: 1000,   
       minute: 60,     
       hour:   60,     
       day:    24,     
       month:  30,     
       year:   12      
     };
     for (var key in conversions) {
       if (delta < conversions[key]) {
         break;
       } else {
         units = key; 
         delta = delta / conversions[key];
     delta = Math.floor(delta);
     if (delta !== 1) { units += "s"; }
     return [delta, units, "ago"].join(" ");
   };
   

5. toRelativeTime(now_threshold)

   Date.prototype.toRelativeTime = function(now_threshold) {
     var delta = new Date() - this;
     now_threshold = parseInt(now_threshold, 10);
     if (isNaN(now_threshold)) {
       now_threshold = 0;
     if (Math.abs(delta) <= now_threshold) {
       return 'Just now';
     var units = null;
     var conversions = {
       millisecond: 1, 
       second: 1000,   
       minute: 60,     
       hour:   60,     
       day:    24,     
       month:  30,     
       year:   12      
     };
     for (var key in conversions) {
       if (Math.abs(delta) < conversions[key]) {
         break;
       } else {
         units = key; 
         delta = delta / conversions[key];
     delta = delta > 0 ? Math.floor(delta) : Math.ceil(delta);
     if (Math.abs(delta) !== 1) { units += "s"; }
     if (delta > 0) {
       return [delta, units, "ago"].join(" ");
     } else {
       return ["in", -delta, units].join(" ");
   };
   Date.fromString = function(str) {
     return new Date(Date.parse(str));
   };
   

6. toSource()

   Date.prototype.toSource = function(){
     return '(new Date(' + this.valueOf() + '))';
   };
   

7. toStartTimeInputValue(()

   Date.prototype.toStartTimeInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset());
     return local.toJSON().slice(11,13) + ":00:00";
   });
   

8. toText()

   Date.prototype.toText=function(){ 
     var m; 
     var d; 
     if(this.getMonth()<9){ 
     m="0"+(this.getMonth()+1); 
     }else{ 
     m=this.getMonth()+1; 
     if(this.getDate()<10){ 
   ...
   

9. toTime()

   Date.prototype.toTime = function () {
       var hours = this.getHours();
       var minutes = this.getMinutes();
       if (minutes < 10)
           minutes = "0" + minutes;
       if (hours < 10)
           hours = "0" + hours;
       return hours + ':' + minutes;
   };
   ...