how to show 1 day ago in javascript

1function timeSince(date) {
2
3  var seconds = Math.floor((new Date() - date) / 1000);
4
5  var interval = seconds / 31536000;
6
7  if (interval > 1) {
8    return Math.floor(interval) + " years";
9  }
10  interval = seconds / 2592000;
11  if (interval > 1) {
12    return Math.floor(interval) + " months";
13  }
14  interval = seconds / 86400;
15  if (interval > 1) {
16    return Math.floor(interval) + " days";
17  }
18  interval = seconds / 3600;
19  if (interval > 1) {
20    return Math.floor(interval) + " hours";
21  }
22  interval = seconds / 60;
23  if (interval > 1) {
24    return Math.floor(interval) + " minutes";
25  }
26  return Math.floor(seconds) + " seconds";
27}
28var aDay = 24*60*60*1000;
29console.log(timeSince(new Date(Date.now()-aDay)));
30console.log(timeSince(new Date(Date.now()-aDay*2)));