JAvascript+jqueryタイミングで記事タイトルを変更


javascript+jqueryで書いたタイマーで、文章のタイトルをタイミングよく変更します.
<!DOCTYPE html>
<html>
<head>
<title>TODO supply a title</title>
<meta charset="GB2312">
<meta name="viewport" content="width=device-width">
</head>

<body>
<div>
	<ul id="jokeTitle">
		<li class="line">Test Line One</li>
		<li class="line">Test Line Two</li>
		<li class="line">Test Line Three</li>
	</ul>
</div>
<script type="text/javascript" src="ie/js/jquery-1.9.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
	
	var changeJokeTitle = {
		line:3,	//      
		timeSpan:1850,	//    (  )
		interval:'',	//     ,     
		showLineFlag:0,	//  ,
		change:function(){
			
			var currentLine = (++changeJokeTitle.showLineFlag)%(changeJokeTitle.line);
			
			$('#jokeTitle li:eq('+currentLine+')').show();
			$('#jokeTitle li:not(:eq('+currentLine+'))').hide();
		},
		run:function(){
			$('#jokeTitle li:eq(0)').show();
			$('#jokeTitle li:not(:eq(0))').hide();
			changeJokeTitle.interval = setInterval(changeJokeTitle.change, changeJokeTitle.timeSpan);
		}
	};
	
	changeJokeTitle.run();
		
});
</script>
</body>

</html>