Nodejs Day Calculate getToday()

Method Source Code

/**/*ww  w  .j  a  va  2s .  c om*/
 * Created by JeremyNg on 16/6/21.
 */
Date.prototype.getToday = function () {
    return this.getFullYear()+'-'+this.getMonth()+'-'+this.getDate();
}

Related

1. getNextDay()

   Date.prototype.getNextDay =function() {
      day = this.getDay()+1;  
     return (day);
   };
   var mydate = new Date('2016-01-09');
   document.write(mydate.toDateString()+"<br>");
   document.write(mydate.getNextDay());
   var d = new Date();
   document.write(d.getNextDay());
   ...
   

2. getNumOfDays()

   Date.prototype.getNumOfDays = function()
       "use strict";
       var date = new Date(this.getFullYear(), this.getMonth() + 1, 0);
       return date.getDate();
   };
   

3. getStartOfDay()

   Date.prototype.getStartOfDay = function()
       var date = new Date(this);
       date.setHours(0);
       date.setMinutes(0);
       date.setSeconds(0);
       return date;
   

4. getThisDay()

   'use strict';
   Date.prototype.getThisDay = function()
       var date = new Date();
       return [date.setHours(0,0,0,0), date.setHours(23,59,59,999)];
   

5. getToday()

   Date.prototype.getToday = function () {
       return this.getFullYear()+'-'+this.getMonth()+'-'+this.getDate();
   

6. isDST() //t is the date object to check, returns true if daylight saving time is in effect.

   Date.prototype.isDST = Date.prototype.isDST || function() { 
       var jan = new Date(this.getFullYear(),0,1);
       var jul = new Date(this.getFullYear(),6,1);
       return Math.min(jan.getTimezoneOffset(),jul.getTimezoneOffset()) == this.getTimezoneOffset();
   };
   exports.DataUtilities = {};
   

7. isLastDay()

   Date.prototype.isLastDay = function(){
       if(!this.isToDay()){
           var today = new Date();
           return this.getTime() < today.getTime();
       return false;
   };
   

8. nextDayfunciton()

   Date.prototype.nextDay = funciton() {
     let today = this.getDate();
     return new Date(this.setDate(today + 1));
   

9. numDays()

   Date.prototype.numDays = function() {
     var d = new Date(this.getFullYear(), this.getMonth() + 1, 0);
     return d.getDate();
   };