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Posted By

wbowers on 03/09/08


Tagged

javascript js time function conversion convert seconds elapsed


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Elapsed time string from time in seconds

 / Published in: JavaScript
 

URL: http://jonaquino.blogspot.com/2006/12/twitter-increasing-number-of-twitters.html

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  1. function elapsedTime (createdAt)
  2. {
  3.     var ageInSeconds = (new Date().getTime() - new Date(createdAt).getTime()) / 1000;
  4.     var s = function(n) { return n == 1 ? '' : 's' };
  5.     if (ageInSeconds < 0) {
  6.         return 'just now';
  7.     }
  8.     if (ageInSeconds < 60) {
  9.         var n = ageInSeconds;
  10.         return n + ' second' + s(n) + ' ago';
  11.     }
  12.     if (ageInSeconds < 60 * 60) {
  13.         var n = Math.floor(ageInSeconds/60);
  14.         return n + ' minute' + s(n) + ' ago';
  15.     }
  16.     if (ageInSeconds < 60 * 60 * 24) {
  17.         var n = Math.floor(ageInSeconds/60/60);
  18.         return n + ' hour' + s(n) + ' ago';
  19.     }
  20.     if (ageInSeconds < 60 * 60 * 24 * 7) {
  21.         var n = Math.floor(ageInSeconds/60/60/24);
  22.         return n + ' day' + s(n) + ' ago';
  23.     }
  24.     if (ageInSeconds < 60 * 60 * 24 * 31) {
  25.         var n = Math.floor(ageInSeconds/60/60/24/7);
  26.         return n + ' week' + s(n) + ' ago';
  27.     }
  28.     if (ageInSeconds < 60 * 60 * 24 * 365) {
  29.         var n = Math.floor(ageInSeconds/60/60/24/31);
  30.         return n + ' month' + s(n) + ' ago';
  31.     }
  32.     var n = Math.floor(ageInSeconds/60/60/24/365);
  33.     return n + ' year' + s(n) + ' ago';
  34. }
  35.  
  36. // Make date parseable in IE
  37. function fixDate (d)
  38. {
  39.     var a = d.split(' ');
  40.     var year = a.pop();
  41.     return a.slice(0, 3).concat([year]).concat(a.slice(3)).join(' ');
  42. }

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