var begin = "2002 May 1 22:15:43";
var end = "2012 May 1 22:15:43";
date1.setTime(Date.parse(begin));
date2.setTime(Date.parse(end));
var interval = date2 - date1;
var seconds = interval / 1000;
var secondsInOneDay = 86400;
var years = Math.floor(seconds / secondsInOneDay / 365);
seconds %= secondsInOneDay * 365;
var months = Math.floor(seconds / secondsInOneDay / 30);
seconds %= secondsInOneDay * 30;
var days = Math.floor(seconds / secondsInOneDay);
seconds %= secondsInOneDay;
var hours = Math.floor(seconds / 3600);
seconds %= 3600;
var minutes = Math.floor(seconds / 60);
seconds %= 60;
console.log("years: " + years + ", months: " + months + ", days: " + days + ", hours: " + hours
        + ", minutes: " + minutes + ", seconds: " + seconds);