Dynamic date and time with moment.js and setInterval

Question

I\'m trying to find out how I can display dynamic date and time using moment.js.

Apparently I can\'t figure out to use setInterval properly.

If possible I\'d pre

Answer 1

Again, thanks for your answers. The code I ended up with follows. (Note danish i18n)

moment.lang('da');

var datetime = null, date = null;

var datetime_update = function() {
  date = moment(new Date());
  datetime.html(date.format('[Lige nu: ] ffffdd [d.] Do MMMM YYYY [kl.] HH:mm:ss'));
};

$(document).ready(function() {
  datetime = $('#datetime');
  datetime_update();
  setInterval(datetime_update, 1000);
});

EDIT: Here nine months after I asked this quesiton I figured out this way to do it without jQuery (as I initially asked). Here it is:

function date_time() {
  now = moment().format('ffffdd [d.] Do MMMM YYYY [kl.] HH:mm:ss');
  document.getElementById('timer').innerHTML = now;
  setTimeout(function () { date_time(); }, 1000);
}
date_time();

And then of course use it with an HTML ID like: