【children_index】
<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-1.9.1.js'></script>
<script type='text/javascript'>
$(window).load(function(){
$('#wikiInfo').find("ol:lt(2)").css({"color":"red","border":"2px solid red"});
});
</script>
</head>
<body>
<div id="wikiInfo">
<ol>
<li>1</li>
</ol>
<p></p>
<ol>
<li>2</li>
</ol>
<p></p>
<ol>
<li>3</li>
</ol>
</div>
</body>
</html>
