Jquery 表单校验

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 <title>day01.html</title>      <script type="text/javascript" src="js/jquery-1.11.1.js"></script>      <script type="text/javascript" src="js/jquery-migrate-1.2.0.js"></script>      <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">      <meta http-equiv="description" content="this is my page">      <meta http-equiv="content-type" content="text/html; charset=UTF-8">        <script type="text/javascript">  $(function(){    var dom=$("[type=text]");  dom.blur(function(){  var length=dom.val().length;  if(length<6){  $("span").text('不合法');  }  });  });  </script> 

 <body>     <form id="myform" action="提交的目标地址" method="post">              用户名:<input type="text" value="Happy"/><span id="unamemsg"></span>              密码:<input type="password"/>          </form>    </body>  


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