Nodejs Date Format Format(fmt)

Method Source Code

/* eslint-disable no-extend-native */
Date.prototype.Format = function (fmt) {
  let values = {//from  w w  w. j  a  va2s .  co  m
    '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()
  }
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (this.getFullYear() + '').substr(4 - RegExp.$1.length))
  }
  for (var key in values) {
    let value = values[key]
    if (new RegExp('(' + key + ')').test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (value) : (('00' + value).substr(('' + value).length)))
    }
  }
  return fmt
}

Related

1. splitYmd()

   Number.prototype.splitYmd=function(){
       var time=(this+"");
       var dates=[];
       dates.push(time.slice(0,4));
       dates.push(time.slice(4,6));
       dates.push(time.slice(6,8));
       return dates;
   

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(),
           "i+": this.getMinutes(),
           "s+": this.getSeconds(),
           "q+": Math.floor((this.getMonth() + 3) / 3),
           "S": this.getMilliseconds()
   ...
   

4. 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() 
   ...
   

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(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() 
   ...
   

7. Format(fmt)

   Date.prototype.Format = function(fmt) {
       var k, o, str;
       o = {
           "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(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()   
   ...
   

9. 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() 
   ...