Question

119

Adding Days using Moment.JS

rated 0 times [ 126] [ 7] / answers: 1 / hits: 38795 / 9 Years ago, tue, march 31, 2015, 12:00:00

Having a few issues with simply adding a day to a few dates in an Appcelerator project using moment.js

All I want to do, is grab today's date and then display it in the DD format (01) and then get the next 6 days as well.

Here is what I'm trying:

var todayDate = moment();



var day1 = todayDate.format(DD);

var day2 = todayDate.add(1, 'days').format(DD);

var day3 = todayDate.add(2, 'days').format(DD);

var day4 = todayDate.add(3, 'days').format(DD);

var day5 = todayDate.add(4, 'days').format(DD);

var day6 = todayDate.add(5, 'days').format(DD);

var day7 = todayDate.add(6, 'days').format(DD);

But, the output I get is the following:

[INFO] :   31

[INFO] :   01

[INFO] :   03

[INFO] :   06

[INFO] :   10

[INFO] :   15

[INFO] :   21

It should read:

[INFO] :   31

[INFO] :   01

[INFO] :   02

[INFO] :   03

[INFO] :   04

[INFO] :   05

[INFO] :   06

What am I doing wrong?

Simon

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bradleymoisesy

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answered 9 Years ago jarrodfletchers · Accepted Answer

You add days to the same variable :

say todayDate is 31.
First line, you add 1 day to todayDate, so it becomes 01.
Then you add 2 days to todayDate (that is now 01) so it becomes 03
etc ...

Do this instead (depending on what you need of course) :

var day1 = moment().format(DD);

var day2 = moment().add(1, 'days').format(DD);

var day3 = moment().add(2, 'days').format(DD);

var day4 = moment().add(3, 'days').format(DD);

var day5 = moment().add(4, 'days').format(DD);

var day6 = moment().add(5, 'days').format(DD);

var day7 = moment().add(6, 'days').format(DD);

or just add 1 every time ;)

var todayDate = moment();



var day1 = todayDate.format(DD);

var day2 = todayDate.add(1, 'days').format(DD);

var day3 = todayDate.add(1, 'days').format(DD);

var day4 = todayDate.add(1, 'days').format(DD);

var day5 = todayDate.add(1, 'days').format(DD);

var day6 = todayDate.add(1, 'days').format(DD);

var day7 = todayDate.add(1, 'days').format(DD);