Nodejs Day in Month getDaysInMonthOfYear()

Method Source Code

Date.prototype.getDaysInMonthOfYear = function(){
   month = this.getMonth();/*from  www.j a  va 2 s.c  o  m*/
   if(month === 1){
      return this.isLeapYear()? 29:28;
   }else{
      if(month>=8){
         return month%2? 31:30;
      }else{
         return month%2? 31:30;
      }
   }
}

Related

1. getDaysInMonth()

   Date.prototype.getDaysInMonth = function() {
     return Date.getDaysInMonth(this.getFullYear(), this.getMonth());
   };
   

2. getDaysInMonth()

   Date.prototype.getDaysInMonth = function ()
       return Date.getDaysInMonth(this.getFullYear(), this.getMonth());
   };
   

3. getDaysInMonth()

   Date.prototype.getDaysInMonth = function () {
       var m = this.getMonth() + 1,
           y = this.getFullYear();
       return /8|3|5|10/.test(--m) ? 30 : m == 1 ? (!(y % 4) && y % 100) || !(y % 400) ? 29 : 28 : 31;
   };
   

4. getDaysInMonth(year, month)

   Date.getDaysInMonth = function(year, month) {
     return [
       31, (Date.isLeapYear(year) ? 29 : 28),
       31, 30, 31, 30, 31, 31, 30, 31, 30, 31
     ][month];
   };
   

5. getDaysInMonth(year, month)

   Date.getDaysInMonth = function (year, month)
       return [31, (Date.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
   };