Add one day to date in javascript

Question

I am sure that a lot of people asked this question but when I checked the answers it seems to me that they are wrong that what I found  var startDate   new Date Date parse startdate      The start date is right lets say it is  Mon Jun 30 2014 00 00 00   var endDate   new Date startDate getDate     1      the enddate in the console will be  Wed Dec 31 1969 18 00 00  and that s wrong it should be  1 july    I know that  getDate   return from 1-31 but Does the browser or the javascript increase only the day without updating the month and the year    and in this case Should I write an algorithm to handle this   or there is another way

User · Accepted Answer

Note that Date getDate only returns the day of the month  You can add a day by calling Date setDate and appending 1      Create new Date instance var date   new Date       Add a day date setDate date getDate     1    JavaScript will automatically update the month and year for you   EDIT  Here s a link to a page where you can find all the cool stuff about the built-in Date object  and see what s possible  Date

User · Answer

use this i think it is useful for you  var endDate startDate setDate startDate getDate     1

User · Answer

The Date constructor that takes a single number is expecting the number of milliseconds since December 31st  1969   Date getDate   returns the day index for the current date object  In your example  the day is 30  The final expression is 31  therefore it s returning 31 milliseconds after December 31st  1969   A simple solution using your existing approach is to use Date getTime   instead  Then  add a days worth of milliseconds instead of 1   For example   var dateString    Mon Jun 30 2014 00 00 00    var startDate   new Date dateString       seconds   minutes   hours   milliseconds   1 day  var day   60   60   24   1000   var endDate   new Date startDate getTime     day     JSFiddle  Please note that this solution doesn t handle edge cases related to daylight savings  leap years  etc  It is always a more cost effective approach to instead  use a mature open source library like moment js to handle everything

User · Answer

There is issue of 31st and 28th Feb with getDate   I use this function getTime and 24 60 60 1000   86400000   x000D   x000D  var dateWith31   new Date  2017-08-31    x000D  var dateWith29   new Date  2016-02-29    x000D   x000D  var amountToIncreaseWith   1    Edit this number to required input x000D   x000D  console log incrementDate dateWith31 amountToIncreaseWith    x000D  console log incrementDate dateWith29 amountToIncreaseWith    x000D   x000D  function incrementDate dateInput increment    x000D          var dateFormatTotime   new Date dateInput   x000D          var increasedDate   new Date dateFormatTotime getTime     increment  86400000    x000D          return increasedDate  x000D        x000D   x000D   x000D

User · Answer

I think what you are looking for is   startDate setDate startDate getDate     1     Also  you can have a look at Moment js     A javascript date library for parsing  validating  manipulating  and formatting dates

User · Answer

If you don t mind using a library  DateJS  https   github com abritinthebay datejs   would make this fairly easy  You would probably be better off with one of the answers using vanilla JavaScript however  unless you re going to take advantage of some other DateJS features like parsing of unusually-formatted dates   If you re using DateJS a line like this should do the trick   Date parse startdate  add 1  days      You could also use MomentJS which has similar features  http   momentjs com    however I m not as familiar with it

User · Answer

var datatoday   new Date    var datatodays   datatoday setDate new Date datatoday  getDate     1   todate   new Date datatodays   console log todate     This will help you

User · Answer

Just for the sake of adding functions to the Date prototype   In a mutable fashion   style   Date prototype addDays   function n       this setDate this getDate     n          Can call it tomorrow if you want Date prototype nextDay   function        this addDays 1       Date prototype addMonths   function n       this setMonth this getMonth     n       Date prototype addYears   function n       this setFullYear this getFullYear     n         etc     var currentDate   new Date    currentDate nextDay

[javascript] Add one day to date in javascript

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