Javascript – Formatear fecha dd/mm/yyyy

Utilizar la siguiente función:

<script>
function getFormattedDate(vDate) 
{
   dateTMP = new Date(vDate);
   year = dateTMP.getFullYear();
   month = (1 + dateTMP.getMonth()).toString();
   month = month.length > 1 ? month : '0' + month;
   day = dateTMP.getDate().toString();
   day = day.length > 1 ? day : '0' + day;
   return day + '/' + month + '/' + year;
}	
$(document).ready(function()
{
   dateDDMMYY = getFormattedDate(vDate);
   console.log(dateDDMMYYYY);  
}); 
</script>

Fuente: https://stackoverflow.com/questions/11591854/format-date-to-mm-dd-yyyy-in-javascript