You can use date.js to achieve this:
var date = new Date('2014-01-06');
var newDate = date.toString('dd-MM-yy');
Alternatively, you can do it natively like this:
var dateAr = '2014-01-06'.split('-');
var newDate = dateAr[1] + '-' + dateAr[2] + '-' + dateAr[0].slice(-2);
console.log(newDate);