▼入力したテキスト量に応じて、テキストエリアが自動的にリサイズされます。
<!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>jQuery plugin:‘autoResize’ | 設置サンプル</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" src="/content/lib/jquery/autoresize.jquery.js"></script> <script type="text/javascript"> $(function(){ $('textarea#comment').autoResize({ // On resize: onResize : function() { $(this).css({opacity:0.8}); }, // After resize: animateCallback:function() { $(this).css({opacity:1}); }, // Quite slow animation: animateDuration:300, // More extra space: extraSpace:40 }); }); </script> <!-- CSS --> <style type="text/css"> textarea { width:400px; height:50px; padding:10px; display:block; } </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><a href='http://james.padolsey.com/javascript/jquery-plugin-autoresize/'>jQuery plugin:‘autoResize’</a> | 設置サンプル</h1> <p>▼入力したテキスト量に応じて、テキストエリアが自動的にリサイズされます。</p> <!-- CODE --> <textarea id="comment">Type something in here, when you get close to the end the box will expand!</textarea> <!-- / CODE --> </div> </body> </html>