Adding 1 Year to a Date with JavaScript

Question

I have the following date:

2014-10-29

I am trying to add one year to the date (not 365 days, but 1 year):

var newDate = new Date('2014-10-29');

newDate.setDate(newDate.getFullYear() + 1);

var yyyy = newDate.getFullYear().toString();
var mm = (newDate.getMonth() + 1).toString();
var dd = newDate.getDate().toString();

var mmChars = mm.split('');
var ddChars = dd.split('');
var newClosingDate = yyyy + '-' + (mmChars[1] ? mm : "0" + mmChars[0]) + '-' + (ddChars[1] ? dd : "0" + ddChars[0]);

This returns 2020-04-06, which is obviously wrong.

What am I doing wrong here?

Travis Clarke · Accepted Answer · 2015-11-25 19:01:51Z

14

var date = new Date("2014-10-29"); 
date.setFullYear(date.getFullYear() + 1);

edited Nov 25, 2015 at 19:01

answered Nov 25, 2015 at 18:35

Travis Clarke

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