CODEWITHSUNDEEP
javascriptdatemomentjs
Saadia
Saadia

Reputation: 856

momentjs change string mm/yyyy format to yyyy-mm

I have a date string 11/2004 that comes to me via an API and on mobile I am trying to display this on a date field.

If i try to render this as it is I see the following warning on console

The specified value "11/2004" does not conform to the required format. The format is "yyyy-MM" where yyyy is year in four or more digits, and MM is 01-12.

so using momentjs i thought this should be easy to change to date or month format but i am struggling with it as i cant seem to get the output i want.

I tried the following code but that give me invalid date

moment('11/2004').format('yyyy-MM')

What am i doing wrong here? How do i display the date on an input field in the correct format? I cant change the field type to anything else as its a date picker field on mobile.

Upvotes: 2

Views: 2299

Answers (2)

George
George

Reputation: 6739

Looking at the documentation on parsing what you need to do is created your moment object with the format specified.

moment('11/2004','MM/YYYY')

This will set the day to the first, but the month and the year to the ones specified.

Also, your format is wrong, the yyyy should be capital YYYY

So your final code should look like this

moment('11/2004', 'MM/YYYY').format('YYYY-MM')

Upvotes: 2

Weedoze
Weedoze

Reputation: 13943

You should create your date with the string-format

moment('11/2004', 'MM/YYYY')

and then display it using the format() function

moment('11/2004', 'MM/YYYY').format('YYYY-MM')

Upvotes: 1

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