Nodejs Date Convert toISO8601()

Method Source Code

Date.prototype.toISO8601 = function() {    //ex. "2001-02-03T04:05:06+09:00"
    var s = [//  w w  w.j av  a2s.  c o  m
          this.getFullYear()
        , Date.padZero(this.getMonth() + 1)
        , Date.padZero(this.getDate())
    ].join("-") + "T";
    s += this.getTimeString();
    s += this.getTimezoneOffsetString(true);
    return s;
};

Related

1. toDateTimeFormat()

   Date.prototype.toDateTimeFormat = function() {
     var year = this.getFullYear().toString();
     var month = (this.getMonth() + 1).toString();
     var day = this.getDate().toString();
     var hour = this.getHours().toString();
     var minute = this.getMinutes().toString();
     var second = this.getSeconds().toString();
     return year + '-' + (month[1] ? month : '0'+month[0]) + '-'+ (day[1] ? day : '0'+day[0]) + ' ' + (hour[1] ? hour : '0'+hour[0]) + ':' + (minute[1] ? minute : '0'+minute[0]) + ':' + (second[1] ? second : '0'+second[0]);
   

2. toEndTimeInputValue(()

   Date.prototype.toEndTimeInputValue = (function() {
     var local = new Date(this);
     local.setMinutes(this.getMinutes() - this.getTimezoneOffset() + 60);
     return local.toJSON().slice(11,13) + ":00:00";
   });
   

3. toFixedDate()

   Date.prototype.toFixedDate = function(){
     var months = [
       "January", "February", "March",
       "April", "May", "June",
       "Sol",
       "July", "August", "September",
       "October", "November", "December"
     ]
     var daysOfWeek = ["Sunday", "Monday", "Tuesday", "Wednesday",
   ...
   

4. toFormat(format)

   Date.prototype.toFormat = function (format) {
     format = format.replace(/H/, this.getHours());
     format = format.replace(/m/, this.getMinutes());
     format = format.replace(/s/, this.getSeconds());
     return format;
   };
   

5. toISO8601()

   Date.prototype.toISO8601 = function() {
     function pad(n) {
       return n < 10 ? '0' + n : n;
     return this.getUTCFullYear() + '-' + pad(this.getUTCMonth() + 1) + '-' + pad(this.getUTCDate()) + 'T' + pad(this.getUTCHours())
      + ':' + pad(this.getUTCMinutes()) + ':' + pad(this.getUTCSeconds()) + 'Z';
   };
   

6. toISO8601(key)

   Date.prototype.toISO8601 = function (key) {
       function f(n) {
           return n < 10 ? '0' + n : n;
       function f2(n) {
           if(n < 10)
             return '00' + n;
           return n < 100 ? '0' + n : n;
       return isFinite(this.valueOf()) ?
              this.getUTCFullYear()   + '-' +
            f(this.getUTCMonth() + 1) + '-' +
            f(this.getUTCDate())      + 'T' +
            f(this.getUTCHours())     + ':' +
            f(this.getUTCMinutes())   + ':' +
            f(this.getUTCSeconds())   + '.' +
            f2(this.getUTCMilliseconds()) + '-0000' : null;
   };
   

7. toInputFormat()

   Date.prototype.toInputFormat = function() {
      var yyyy = this.getFullYear().toString();
      var mm = (this.getMonth()+1).toString(); 
      var dd  = this.getDate().toString();
      return yyyy +'-'+ (mm[1]?mm:"0"+mm[0]) +'-'+ (dd[1]?dd:"0"+dd[0]); 
     };
   

8. toLocalTime()

   Date.prototype.toLocalTime = function() {
       const newDate = new Date(this.getTime()+this.getTimezoneOffset()*60*1000);
       let offset = this.getTimezoneOffset() / 60;
       const hours = this.getHours();
       if (this.dst()) offset--;
       newDate.setHours(hours - offset);
       return newDate;
   };
   

9. toLocaleFormat(pattern)

   'use strict';
   Date.prototype.toLocaleFormat = Date.prototype.toLocaleFormat || function (pattern) {
           return pattern.replace(/%Y/g, this.getFullYear()).replace(/%m/g, (this.getMonth() + 1)).replace(/%d/g, this.getDate());
       };