format date with moment.js

format date with moment.js

I have a string in this format:
var testDate = “Fri Apr 12 2013 19:08:55 GMT-0500 (CDT)”
I would like to using moment.js get it in this format mm/dd/yyyy : 04/12/2013 for display.
I tried to do it using this method,
moment(testDate,’mm/dd/yyyy’);

Which errors and says there is no such method called replace ? am i approaching this in the wrong way?
Edit:
I should also mention that i am using a pre packaged version of moment.js, packaged for meteor.js
Object [object Date] has no method ‘replace’ : The Exact error from the console

Stack Trace:
at makeDateFromStringAndFormat (http://127.0.0.1:3000/packages/moment/lib/moment/moment.js?b4e3ac4a3d0794023a4410e7941c3e179398b5b0:539:29)
at moment (http://127.0.0.1:3000/packages/moment/lib/moment/moment.js?b4e3ac4a3d0794023a4410e7941c3e179398b5b0:652:24)
at populateProfileForEdit (http://127.0.0.1:3000/client/views/home/administration/directory/profiles/profiles.js?acfff908a6a099f37312f62892a22b40f82e5e0f:147:25)
at Object.Template.profile_personal.rendered (http://127.0.0.1:3000/client/views/home/administration/directory/profiles/profiles.js?acfff908a6a099f37312f62892a22b40f82e5e0f:130:13)
at Spark.createLandmark.rendered (http://127.0.0.1:3000/packages/templating/deftemplate.js?b622653d121262e50a80be772bf5b1e55ab33881:126:42)
at http://127.0.0.1:3000/packages/spark/spark.js?45c746f38023ceb80745f4b4280457e15f058bbc:384:32
at Array.forEach (native)
at Function._.each._.forEach (http://127.0.0.1:3000/packages/underscore/underscore.js?867d3653d53e9c7a171483edbcad9670e12288c7:79:11)
at http://127.0.0.1:3000/packages/spark/spark.js?45c746f38023ceb80745f4b4280457e15f058bbc:382:7
at _.extend.flush (http://127.0.0.1:3000/packages/deps/deps.js?9642a93ae1f8ffa8eb1c2475b198c764f183d693:231:11)

Solutions/Answers:

Solution 1:

The 2nd argument to moment() is a parsing format rather than an display format.

For that, you want the .format() method:

moment(testDate).format('MM/DD/YYYY');

Also note that case does matter. For Month, Day of Month, and Year, the format should be uppercase.

Related:  How to convert a String containing Scientific Notation to correct Javascript number format

Solution 2:

Include moment.js and using the below code you can format your date

var formatDate= 1399919400000;

var responseDate = moment(formatDate).format('DD/MM/YYYY');

My output is “13/05/2014”

Solution 3:

For fromating output date use format. Second moment argument is for parsing – however if you omit it then you testDate will cause deprecation warning

Deprecation warning: value provided is not in a recognized RFC2822 or ISO format…

var testDate= "Fri Apr 12 2013 19:08:55 GMT-0500 (CDT)"

let s= moment(testDate).format('MM/DD/YYYY');

msg.innerText= s;
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>

<div id="msg"></div>

to omit this warning you should provide parsing format

var testDate= "Fri Apr 12 2013 19:08:55 GMT-0500 (CDT)"

let s= moment(testDate, 'ddd MMM D YYYY HH:mm:ss ZZ').format('MM/DD/YYYY');

console.log(s);
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>