Nodejs Utililty Methods Year Leap Check

List of utility methods to do Year Leap Check

  1. HOME
  2. Nodejs
  3. Y
  4. Year Leap Check

Description

The list of methods to do Year Leap Check are organized into topic(s).

Method

isLeapYear()
Date.prototype.isLeapYear = function() {
  var year = this.getFullYear();
  return !(year % 4) && (year % 100) || !(year % 400);
isLeapYear()
Date.prototype.isLeapYear = function() {
    var year = this.getFullYear();
    if ((year & 3) != 0) return false;
    return ((year % 100) != 0 || (year % 400) == 0);
};
isLeapYear()
Date.prototype.isLeapYear = function () {
   return this.getFullYear()%4?0:this.getFullYear()%100?1:this.getFullYear%400?0:1
isLeapYear()
Date.prototype.isLeapYear = function() {
    var year = this.getFullYear();
    if((year & 3) != 0) return false;
    return ((year % 100) != 0 || (year % 400) == 0);
};
Date.prototype.getDOY = function() {
    var dayCount = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
    var mn = this.getMonth();
    var dn = this.getDate();
...
isLeapYear()
Date.isLeapYear = function(year) {
    return (((year % 4 === 0) && (year % 100 !== 0)) || (year % 400 === 0)); 
};
Date.getDaysInMonth = function(year, month) {
    return [31, (Date.isLeapYear(year) ? 29 : 28), 31, 30, 31, 30, 31, 31, 30, 31, 30, 31][month];
};
Date.prototype.isLeapYear = function() {
    return Date.isLeapYear(this.getFullYear()); 
};
...
isLeapYear()
Date.prototype.isLeapYear = function(){
  return (0==this.getYear()%4 && ((this.getYear()%100 != 0) || (this.getYear()%400 == 0)));
isLeapYear()
Date.prototype.isLeapYear = function () {
    var year = this.getFullYear();
    return ((year & 3) == 0 && (year % 100 || (year % 400 == 0 && year)));
isLeapYear()
Date.prototype.isLeapYear = function () {
  return new Date(this.getFullYear(), 1, 29).getDate() == 29;
};
isLeapYear()
Date.prototype.isLeapYear = function() {
  return Date.isLeapYear(this.getFullYear());
};
isLeapYear()
Date.prototype.isLeapYear = function ()
    var y = this.getFullYear();
    return (((y % 4 === 0) && (y % 100 !== 0)) || (y % 400 === 0));
};