jQuery隐藏按钮 <html>  <head>   <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />   <title>jQuery隐藏按钮</title>   <script type="text/javascript" src="jQuery/jquery-1.6.2.min.js"></script>   <script type="text/javascript">    $(document).ready(function()    {     $(document.getElementById("fisrt")).click(function()     {      $(document.getElementById("fisrt")).hide();     });     $(document.getElementById("second")).click(function()     {      $(document.getElementById("second")).hide();     }     );    });   </script>   <link rel="sheetstyle" type="text/css" href="" />  </head>  <body>   <button type="button" id="fisrt">我消失!</button>   <button id="second">我隐藏!</button>  </body> </html>