Find out the previous year date from current date in javascript

Question

I need to find out the previous year date from current date and then set as minDate in jQuery UIdatepicker in javascript

My date formaqt is dd-mm-yy

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Answer 1

To avoid the Date object (if that is what OP wishes):

var currDate = '25-07-2012';
var dateParts = currDate.split('-');
dateParts[2] = parseInt(dateParts[2], 10) - 1;
alert(dateParts.join('-'));​