Date Format in Javascript

Question

This Script date.format.js in http://stevenlevithan.com/assets/misc/date.format.js

 var txt = 04/04;<br/> dateFormat(txt, “dd/mm/yyyy”);

result : 04/04/2001
I Want Result : 04/04/2013

Could you please explain what you are trying to do, what is the output and what you would expect to have? — Thierry J
– Thierry J, Commented Aug 12, 2013 at 5:29
it is browser depended, Chrome converts new Date('04/04') to Wed Apr 04 2001 00:00:00, while FF gives Invalid Date — Arun P Johny
– Arun P Johny, Commented Aug 12, 2013 at 5:34

Nabil Kadimi · Accepted Answer · 2013-08-12 05:39:59Z

You are feeding the function an ambiguous date, don't expect a neat result.

In Firefox, I get "01/01/1970", but if I wrap 04/04 in quotes, so I believe what you I get invalid date, check the js file in line 38 to see why.

What you can do is add the current year pro grammatically like this http://jsfiddle.net/nabil_kadimi/c3Nsf/2/:

var txt = '04/04'; txt += '/' + (new Date()).getFullYear(); window.alert(dateFormat(txt, "dd/mm/yyyy"));

Do you mean that you don't knw how txt will be formatted in advance?

Prahalad Deshpande · Accepted Answer · 2013-08-12 05:50:01Z

You would want to read this wonderful article on date parsing idiosyncrasies between various browsers.

There are some rules of the thumb provided for working with dates and also about how Chrome is a more accepting browser than others in terms of date formats.

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