jQuery日本語リファレンス

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Attributes/API/jQuery - Sample Code

addClass(class)


      <!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(){
    $("p:last").addClass("selected");
  });
  </script>
  <style>
  p { margin: 8px; font-size:16px; }
  .selected { color:red; }
  .highlight { background:yellow; }
  </style>
</head>
<body>
  <p>Hello</p>

  <p>and</p>
  <p>Goodbye</p>
</body>
</html>
	 
[実行結果]
[addClass(class) の説明へ]