Selectors/API/jQuery - Sample Code
:odd
            
<!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(){
$("li:odd").css("font-weight", "bold");
  });
  </script>
</head>
<body>
<ul>
  <li>通常</li>
  <li>太字</li>
  <li>通常</li>
  <li>太字</li>
  <li>通常</li>
</ul>
</body>
</html>
            
          
[実行結果]