Grab latest tweets from Twitter API

latest-tweets.js

 /*
  Latest Tweets Plugin

  Markup required: 
  <div class="latestTweets" data-user="unitseven" data-count="3"></div>
 */
 (function( $ ) {
   "use strict";
   
   function relative_time(time_value) {

  var values = time_value.split(" ");
  time_value = values[1] + " " + values[2] + ", " + values[5] + " " + values[3];
  var parsed_date = Date.parse(time_value);
  var relative_to = (arguments.length > 1) ? arguments[1] : new Date();
  var delta = parseInt((relative_to.getTime() - parsed_date) / 1000,10);
  delta = delta + (relative_to.getTimezoneOffset() * 60);

  if (delta < 60) {
    return 'less than a minute ago';
  } else if(delta < 120) {
    return 'about a minute ago';
  } else if(delta < (60*60)) {
    return (parseInt(delta / 60,10)).toString() + ' minutes ago';
  } else if(delta < (120*60)) {
    return 'about an hour ago';
  } else if(delta < (24*60*60)) {
    return 'about ' + (parseInt(delta / 3600,10)).toString() + ' hours ago';
  } else if(delta < (48*60*60)) {
    return '1 day ago';
  } else {
    return (parseInt(delta / 86400,10)).toString() + ' days ago';
  }
}
   
  $.fn.latestTweets = function() {
	var el = this;
	this.addClass('loading');
	var count = parseInt(this.data('count'),10) <= 0 ? 1 : this.data('count');
	var user = this.data('user');
		$.getJSON("http://api.twitter.com/1/statuses/user_timeline.json?screen_name="+user+"&callback=?&count="+count,function(data){
		el.removeClass('loading');
		var statusHTML = [];
		for (var i=0; i<data.length; i++){
			var username = data[i].user.screen_name;
			var status = data[i].text.replace(/((https?|s?ftp|ssh)\:\/\/[^"\s\<\>]*[^.,;'">\:\s\<\>\)\]\]])/g, function(url){
				return '<a href="'+url+'">'+url+'</a>';
			}).replace(/\B@([_a-z0-9]+)/ig, function(reply){
				return  reply.charAt(0)+'<a href="http://twitter.com/'+reply.substring(1)+'">'+reply.substring(1)+'</a>';
			});
		statusHTML.push('<li><span class="tweet">'+status+'</span><span class="tweettime"><a href="http://twitter.com/'+username+'/statuses/'+data[i].id_str+'">'+relative_time(data[i].created_at)+'</a></span></li>');
		}
		el.html('<ul class="tweets">'+statusHTML.join('')+"</ul>");
	});
  };
	
	if($('.latestTweets').length){
		$('.latestTweets').each(function(i,el){
          if($(el).data('user') !== "" || $(el).data('user') === 'undefined'){
				$(el).latestTweets();
          }
		});
	}
})( jQuery );