Nodejs Day Add addDays(d)

Method Source Code

Date.prototype.addDays = function(d) {
   this.setDate(this.getDate() + d);//from w w w.  j  av a  2  s.c  o  m
};

Date.prototype.addWeeks = function(w) {
   this.addDays(w * 7);
};

Date.prototype.addMonths = function(m) {
   var d = this.getDate();
   this.setMonth(this.getMonth() + m);

   if (this.getDate() < d)
      this.setDate(0);
};

Date.prototype.addYears = function(y) {
   var m = this.getMonth();
   this.setFullYear(this.getFullYear() + y);

   if (m < this.getMonth()) {
      this.setDate(0);
   }
};

Related

1. addDay(day)

   Date.prototype.addDay = function(day) {
     if (null == day || isNaN(day)) {
       return this;
     this.setDate(this.getDate() + day);
     return this;
   };
   

2. addDayaddDay ()

   Date.prototype.addDay = function addDay () {
     var day = this.getDate();
     this.setDate(day + 1);
     this.setHours(0);
     this.setMinutes(0);
     this.setSeconds(0);
     if (this.getDate() === day) {
       this.setDate(day + 2);
   };
   

3. addDays(d)

   Date.prototype.addDays = function (d) {
       if (d) {
           var t = this.getTime();
           t = t + (d * 86400000);
           this.setTime(t);
           return this;
   };
   

4. addDays(d)

   Date.prototype.addDays = function(d) {    
      this.setTime(this.getTime() + (d*24*60*60*1000)); 
      return this;   
   

5. addDays(d)

   Date.prototype.addDays = function(d){
       this.setDate(this.getDate()+d);
       return this;
   

6. addDays(d)

   Date.prototype.addDays = function(d) {
     this.setDate(this.getDate() + d);
   };
   

7. addDays(date, days)

   function addDays(date, days) {
       var result = new Date(date);
       result.setDate(date.getDate() + days);
       return result;
   

8. addDays(days)

   Date.prototype.addDays = function (days) {
       this.setDate(this.getDate() + days);
       return this;
   };
   

9. addDays(days)

   Date.prototype.addDays = function(days) {
     var date = new Date(this.valueOf())
     date.setDate(date.getDate() + days);
     return date;
   };