Traversing/API/jQuery - Sample Code
siblings(expr)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
$(document).ready(function(){
var len = $(".hilite").siblings()
.css("color", "red")
.length;
$("b").text(len);
});
</script>
<style>
ul { float:left; margin:5px; font-size:16px; font-weight:bold; }
p { color:blue; margin:10px 20px; font-size:16px; padding:5px;
font-weight:bolder; }
.hilite { background:yellow; }
</style>
</head>
<body>
<ul>
<li>One</li>
<li>Two</li>
<li class="hilite">Three</li>
<li>Four</li>
</ul>
<ul>
<li>Five</li>
<li>Six</li>
<li>Seven</li>
</ul>
<ul>
<li>Eight</li>
<li class="hilite">Nine</li>
<li>Ten</li>
<li class="hilite">Eleven</li>
</ul>
<p>Unique siblings: <b></b></p>
</body>
</html>
[実行結果]