iZY391J1

1/*
2* JavaScript Pretty Date
3* Copyright (c) 2011 John Resig (ejohn.org)
4* Licensed under the MIT and GPL licenses.
5*/
6
7// Takes an ISO time and returns a string representing how
8// long ago the date represents.
9function prettyDate(time){
10    var date = new Date((time || "").replace(/-/g,"/").replace(/[TZ]/g," ")),
11        diff = (((new Date()).getTime() - date.getTime()) / 1000),
12        day_diff = Math.floor(diff / 86400);
13            
14    if ( isNaN(day_diff) || day_diff < 0 || day_diff >= 31 )
15        return;
16            
17    return day_diff == 0 && (
18            diff < 60 && "just now" ||
19            diff < 120 && "1 minute ago" ||
20            diff < 3600 && Math.floor( diff / 60 ) + " minutes ago" ||
21            diff < 7200 && "1 hour ago" ||
22            diff < 86400 && Math.floor( diff / 3600 ) + " hours ago") ||
23        day_diff == 1 && "Yesterday" ||
24        day_diff < 7 && day_diff + " days ago" ||
25        day_diff < 31 && Math.ceil( day_diff / 7 ) + " weeks ago";
26}