▼input要素、textarea要素、select要素に赤枠を付けます。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" lang="ja"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Language" content="ja" /> <meta http-equiv="Content-Script-Type" content="text/javascript" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="imagetoolbar" content="no" /> <title>DOM要素:基本(Basics):selector1, selector2, selectorNの使用例 | jQuery</title> <link rel="stylesheet" type="text/css" href="/content/lib/global.css" /> <!-- JS --> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> <script type="text/javascript"> $(function(){ $("input, textarea, select").css("border","1px solid red"); }); </script> <style type="text/css"> input, textarea, select { border:1px solid red; } </style> <link rel="stylesheet" type="text/css" href="/common/css/example.css"></head> <body id='example3' class='example'><div class="ads" style="margin:32px auto;text-align:center;"></div><h1 class='h'><a href='/'>PHP & JavaScript Room</a> :: 設置サンプル</h1> <h3 class='h'>実行結果</h3> <div id="wrap"> <h1>DOM要素:基本(Basics):selector1, selector2, selectorNの使用例 | jQuery</h1> <p>▼input要素、textarea要素、select要素に赤枠を付けます。</p> <!-- CODE --> <form action="#"> <p> <label for="username">名前:</label><input type="text" id="username" name="username" /> <label for="generation">年代:</label><select id="generation" name="generation"><option>20代未満</option><option>20代以上</option><option>30代以上</option></select> </p> <p><label for="comment">コメント:</label><br><textarea cols="50" rows="3"></textarea></p> <p> <input type="button" value="inputボタン" /> <button>button要素</button> </p> </form> <!-- CODE / --> </div> </body> </html>