JavaScript Calculate what exact date it would be after exactly X Years -


now finding challenging exact date after 'x' years date (birth date), 'yyyy/mm/dd'

a trivial version be

function addyearstodate(date, years) {     return +date.slice(0, 4)+years + date.slice(4); }

here, +date.slice(0,4) makes number out of first 4 characters of date, add number of years, concatenate remainder of input date.

> addyearstodate('1953/04/18', 62) < "2015/04/18"

you need special-case feb. 29.

this assumes want input , output in string form yyyy/mm/dd. more sophisticated date manipulation, consider using library moment allow things like

moment('1953/04/18').add(62, 'years')

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