Nodejs Day Add addDays(days)

Method Source Code

Date.prototype.addDays = function (days) {
    var dat = new Date(this.valueOf());
    dat.setDate(dat.getDate() + days);//from  w ww.j a va2  s  . c o m
    return dat;
};

function getDateOfISOWeek(w, y) {
    var simple = new Date(y, 0, 1 + (w - 1) * 7);
    var dow = simple.getDay();
    var ISOweekStart = simple;
    if (dow <= 4)
        ISOweekStart.setDate(simple.getDate() - simple.getDay() + 1);
    else
        ISOweekStart.setDate(simple.getDate() + 8 - simple.getDay());
    return ISOweekStart;
}

var getWeekNumber = function () {
    return weeknumber = new Date().getWeekNumber();
};

module.exports = {
    getWeekNumber
};

Related

1. addDays(days)

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

2. addDays(days)

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

3. addDays(days)

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

4. addDays(days)

   var month = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
   Date.prototype.addDays = function (days) {
       this.setDate(this.getDate() + days);
   };
   function isNumber(n) {
       return !isNaN(parseFloat(n)) && isFinite(n);
   function CurrencyFormatted(amount) {
       var i = parseFloat(amount), minus = '', s;
   ...
   

5. addDays(days)

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

6. addDays(days)

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

7. addDays(days)

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

8. addDays(days)

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

9. addDays(days)

   Date.prototype.addDays = function(days)
       this.addMilliseconds(days * 24 * 3600 * 1000);
       return this;
   };