Nodejs Date Value Check isValidDate(year, month, day)

Method Source Code

function isValidDate(year, month, day) {
   var days = new Array (31, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

     if(year%4==0 && year%100 !=0 || year%400==0)
       days[1]=29;/*from   ww w  . j av  a  2s .  c  om*/
     else
       days[1]=28;

     if(month < 1 || month > 12)
       return false;

     if(day > days[month-1] || day < 1)
       return false;
     return true;
}

Related

1. isToday()

   Date.prototype.isToday = function() {
       var today = new Date();
       return today.getYear() == this.getYear()
               && today.getMonth() == this.getMonth()
               && today.getDate() == this.getDate();
   };
   

2. isToday()

   Date.prototype.isToday = function() {
       var today = new Date();
       return (today.getFullYear() == this.getFullYear() && today.getMonth() == this.getMonth() && today.getDate() == this.getDate());
   };
   

3. isValid()

   Date.prototype.isValid = function() {
     return this.getTime() === this.getTime();
   };
   function twoDigits(value) {
     if (value < 10) {
       return '0' + value;
     return value;
   exports.getMyDate = function(timestamp) {
     var date = new Date(timestamp * 1000);
     return date.getFullYear()
       + '-' + date.getMonth()
       + '-' + date.getDate();
   exports.time = function() {
     var date = new Date();
     return date.valueOf() / 1000;
   

4. isValid(y, m, d)

   Date.isValid = function(y, m, d) {
       var date = new Date(y, m - 1, d);
       return (date.getFullYear() == y && date.getMonth() + 1 == m && date.getDate() == d);
   

5. isValidDate(date)

   Utils.isValidDate = function(date) { 
       var bits = date.split('-');
       var d = new Date(bits[0], bits[1] - 1, bits[2]);
       return d && (d.getMonth() + 1) == bits[1] && d.getDate() == Number(bits[2]);