convert dd/mm/yyyy to mm/dd/yyyy in javascript

Question

I want to convert dd/mm/yyyy to mm/dd/yyyy in javascript.

Answer 1

var date = "24/09/1977";
var datearray = date.split("/");

var newdate = datearray[1] + '/' + datearray[0] + '/' + datearray[2];

newdate will contain 09/24/1977. The split method will split the string wherever it finds a "/", so if the date string was "24/9/1977", it would still work and return 9/24/1977.

Answer 2

You can use the following function specified, 1 date and 2 the date separator (optional) The date will be returned in the desired format.

const setFormatDDMMYYYYtoMMDDYYYY = (date, separator = '/') => {
  const [day, month, year] = date.split('/');
  return month + separator + day + separator + year;
};

Answer 3

var months = new Array("jan", "feb", "mar", "apr", "may", "jun", "jul", "aug", "sep", "oct", "nov", "dec");
var ddSplit = '12/23/2011'.split('/');  //date is mm/dd/yyyy format
alert(ddSplit[1]+'-'+months[ddSplit[0]-1] + '-' + ddSplit[2])

Answer 4

use this function

function dateFormat(existingFormat,neededFormat,existingSeperator,newSeperator,dateValue)
{
        var exst    =    existingFormat.toLowerCase().split(existingSeperator);
        var d       =    dateValue.split(existingSeperator);
        d[exst[0]]  =    d[0];  d[exst[1]]=d[1];   d[exst[2]]=d[2];

        var newst    =    neededFormat.toLowerCase().split(existingSeperator);
        newDate      =    d[newst[0]] +newSeperator+d[newst[1]] +newSeperator+d[newst[2]];
        return(newDate); 

}
var dd    =    dateFormat('dd/yy/mm','mm/dd/yy','/','-','30/87/05');//dateFormat(existingFormat,neededFormat,existingSeperator,newSeperator,dateValue)

//use same name for date month and year in both formats

You can use this function for converting any format date(including month date year only) to any format. :)

Answer 5

This is a moment.js version. The library can be found at http://momentjs.com/

//specify the date string and the format it's initially in
var mydate = moment('15/11/2000', 'DD/MM/YYYY'); 

//format that date into a different format
moment(mydate).format("MM/DD/YYYY");

//outputs 11/15/2000

Answer 6

Try this example where a regular expression is used to find and switch the parts of the string:

var d1 = "03/25/2011";
var d2 = d1.replace(/^(\d{1,2}\/)(\d{1,2}\/)(\d{4})$/,"$2$1$3");
alert("d1:"+d1 +"\n d2:"+d2 )

/* 
// OUTPUT

  d1: 03/25/2011
  d2: 25/03/2011

*/

EDIT:

I noticed that no other answer is using regular expression and I really wonder why... :)