jQuery插件placeholder的使用方法
借助该插件可以轻松实现HTML5中placeholder特效: 实例代码如下: <script type="text/javascript" src="<%=basePath%>js/jquery-1.8.3.min.js"></script> <script type="text/javascript" src="<%=basePath%>js/jquery.placeholder.js"></script> <script type="text/javascript"> $(function() { $('input, textarea').placeholder(); }); </script> <style type="text/css"> input, textarea { font-family: Helvetica, Arial; color: #000;} .placeholder {color: #aaa;} </style> </head> <input type="text" id="userName" name="userName" placeholder="请输入用户名…" style="margin-bottom: 12px;"><br> <input type="password" id="password" name="password"