Nodejs Date Format format(format)

Method Source Code

Date.prototype.format = function(format) {
   if (format === undefined)
      return this.toString();

   var formatSeparator = format.match(/[.\/\-\s].*?/);
   var formatParts     = format.split(/\W+/);
   var result          = '';

   for (var i=0; i<=formatParts.length; i++) {
      switch(formatParts[i]) {
         case 'd':
         case 'j':
         result += this.getDate() + formatSeparator;
         break;// w  ww . j  a v a  2  s . com

         case 'dd':
         result += (this.getDate() < 10 ? '0' : '')+this.getDate() + formatSeparator;
         break;

         case 'm':
         result += (this.getMonth() + 1) + formatSeparator;
         break;

         case 'mm':
         result += (this.getMonth() < 9 ? '0' : '')+(this.getMonth() + 1) + formatSeparator;
         break;

         case 'yy':
         case 'y':
         result += this.getFullYear() + formatSeparator;
         break;

         case 'yyyy':
         case 'Y':
         result += this.getFullYear() + formatSeparator;
         break;
      }
   }

   return result.slice(0, -1);
}

Related

1. format(format)

   Date.prototype.format = function (format)
       var args = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
       };
   ...
   

2. format(format)

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

3. format(format)

   'use strict'
   const fs = require('fs');
   const path = require('path');
   Date.prototype.format = function(format) {
       let o = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "H+": this.getHours(),
           "m+": this.getMinutes(),
   ...
   

4. 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), 
   ...
   

5. 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()
   ...
   

6. 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()
   ...
   

7. format(format)

   Date.prototype.format = function (format) {
       format = format || "yyyy-MM-dd";
       var args = {
           "M+": this.getMonth() + 1,
           "d+": this.getDate(),
           "h+": this.getHours(),
           "m+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),  
   ...
   

8. format(format)

   Date.prototype.format = function(format) 
     var monName = [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ];
     var dayName = [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ];
     var o = {
       "M+" : this.getMonth() + 1, 
       "d+" : this.getDate(), 
       "h+" : this.getHours(), 
       "i+" : this.getHours() + 1, 
   ...
   

9. format(format)

   Date.prototype.format = function(format) {
     var self = this;
     var h = self.getHours();
     var m = self.getMinutes().toString();
     var s = self.getSeconds().toString();
     var M = (self.getMonth() + 1).toString();
     var yyyy = self.getFullYear().toString();
     var yy = self.getYear().toString();
     var d = self.getDate().toString();
   ...