Nodejs Date Format format(fmt)

Method Source Code

var d1 = new Date();

console.log( d1 );/*from w ww  .  j  av  a2 s.c o  m*/
console.log( d1.toString() );
console.log( d1.toDateString() );
console.log( d1.toLocaleDateString() );
console.log( d1.toTimeString() );
console.log( d1.toLocaleTimeString() );
Date.prototype.format = function(fmt){
   if(!fmt){
      return undefined;
   }
   var year = this.getFullYear();
   var month = this.getMonth()+1;
   var date = this.getDate();
   var hour = this.getHours();
   var minute = this.getMinutes();
   var second = this.getSeconds();

   month = month<10 ? '0'+month : month;
   date = date<10 ? '0'+date : date;
   hour = hour<10 ? '0'+hour : hour;
   minute = minute<10 ? '0'+minute : minute;
   second = second<10 ? '0'+second : second;

   fmt = fmt.replace('yyyy', year);
   fmt = fmt.replace('MM', month);
   fmt = fmt.replace('dd', date);
   fmt = fmt.replace('HH', hour);
   fmt = fmt.replace('mm', minute);
   fmt = fmt.replace('ss', second);
   return fmt;
};

console.log();
console.log( d1.format() );
console.log( d1.format('yyyy') );
console.log( d1.format('yyyy-MM-dd') );
console.log( d1.format('yyyy?MM?dd?') );
console.log( d1.format('yyyy/MM/dd') );
console.log( d1.format('yyyy/MM/dd HH:mm:ss') );
console.log( d1.format('yyyy/MM/dd HH:mm') );

Related

1. format(fmt)

   Date.prototype.format = function (fmt) {
     var o = {
       "M+": this.getMonth() + 1, 
       "d+": this.getDate(), 
       "H+": this.getHours(), 
       "m+": this.getMinutes(), 
       "s+": this.getSeconds(), 
       "q+": Math.floor((this.getMonth() + 3) / 3), 
       "S": this.getMilliseconds() 
   ...
   

2. format(fmt)

   Date.prototype.format = function(fmt) {
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "H+" : this.getHours(),
       "m+" : this.getMinutes(), 
       "s+" : this.getSeconds(), 
       "q+" : Math.floor((this.getMonth() + 3) / 3), 
       "S" : this.getMilliseconds()
   ...
   

3. format(fmt)

   Date.prototype.format = function(fmt) { 
     var o = { 
       "M+" : this.getMonth()+1,                 
       "d+" : this.getDate(),
       "h+" : this.getHours(),
       "m+" : this.getMinutes(),
       "s+" : this.getSeconds(),
       "q+" : Math.floor((this.getMonth()+3)/3),
       "S"  : this.getMilliseconds()
   ...
   

4. format(fmt)

   'use strict';
   Date.prototype.format = function (fmt) {
       var o = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),
   ...
   

5. format(fmt)

   Date.prototype.format = function(fmt) { 
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "H+" : this.getHours(), 
       "m+" : this.getMinutes(), 
       "s+" : this.getSeconds(), 
       "q+" : Math.floor((this.getMonth() + 3) / 3), 
       "S+" : this.getMilliseconds()
   ...
   

6. format(format)

   Date.prototype.format=function(format){
     var o={
       "M+":this.getMonth()+1,
       "d+":this.getDate(),
       "y+":this.getFullYear()
     };
     for(var k in o){
       if(new RegExp("("+k+")").test(format))
       format=format.replace(RegExp.$1,o[k]);
   ...
   

7. format(format)

   Date.prototype.format = function(format) {
     var pad = function(str, num, wit) {str+="";for(var i = str.length; i < num; i++) {str=wit+str;}return str;};
     format = format.replace(/Y/, this.getFullYear());
     format = format.replace(/m/, pad(this.getMonth()+1, 2, 0));
     format = format.replace(/D/, pad(this.getDate(), 2, 0));
     format = format.replace(/H/, pad(this.getHours(), 2, 0));
     format = format.replace(/M/, pad(this.getMinutes(), 2, 0));
     format = format.replace(/S/, pad(this.getSeconds(), 2, 0));
     return format;
   ...
   

8. format(format)

   Date.prototype.format = function(format) {
     var obj = {
       'M+': this.getMonth() + 1,
       'd+': this.getDate(),
       'h+': this.getHours(),
       'm+': this.getMinutes(),
       's+': this.getSeconds(),
       'q+': Math.floor((this.getMonth() + 3) / 3),
       'S': this.getMilliseconds()
   ...
   

9. format(format)

   Date.prototype.format = function(format){
   var o = {
   "M+" : this.getMonth()+1, 
   "d+" : this.getDate(), 
   "h+" : this.getHours(), 
   "m+" : this.getMinutes(), 
   "s+" : this.getSeconds(), 
   "q+" : Math.floor((this.getMonth()+3)/3), 
   "S" : this.getMilliseconds() 
   ...