Nodejs Date Value Check isValid()

Method Source Code

Date.prototype.isValid = function() {
  return this.getTime() === this.getTime();
};

function twoDigits(value) {
  if (value < 10) {
    return '0' + value;
  }//from   w ww. j  a  v a  2s. c om
  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;
}

Related

1. isToDay()

   Date.prototype.isToDay =function(){
       var today = new Date();
       return today.toDateString() == this.toDateString();
   };
   

2. isToday()

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

3. isToday()

   Date.prototype.isToday = function() {
     return this.toLocaleDateString() === new Date().toLocaleDateString();
   

4. isToday()

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

5. isToday()

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

6. 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);
   

7. 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]);
   

8. isValidDate(year, month, day)

   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;
        else
          days[1]=28;
        if(month < 1 || month > 12)
          return false;
        if(day > days[month-1] || day < 1)
   ...