해당 날짜로부터 3년 뒤는 며칠?

by Ukjin Yang

JavaScript

var years=3,
    start=new Date('2008-07-20'),
    end=new Date(start).setFullYear(start.getFullYear()+years),
    diffms=end-start;
document.write(Math.floor(diffms/1000/60/60/24)+' days');