Yet another solution, based on some PHP code. The strtotime function, also based on PHP, can be found here: http://phpjs.org/functions/strtotime/.
Date.dateDiff = function(d1, d2) {
d1 /= 1000;
d2 /= 1000;
if (d1 > d2) d2 = [d1, d1 = d2][0];
var diffs = {
year: 0,
month: 0,
day: 0,
hour: 0,
minute: 0,
second: 0
}
$.each(diffs, function(interval) {
while (d2 >= (d3 = Date.strtotime('+1 '+interval, d1))) {
d1 = d3;
++diffs[interval];
}
});
return diffs;
};
Usage:
> d1 = new Date(2000, 0, 1)
Sat Jan 01 2000 00:00:00 GMT+0100 (CET)
> d2 = new Date(2013, 9, 6)
Sun Oct 06 2013 00:00:00 GMT+0200 (CEST)
> Date.dateDiff(d1, d2)
Object {
day: 5
hour: 0
minute: 0
month: 9
second: 0
year: 13
}