更新了浏览器但是还是不行
百度说是script标签问题但是没有看懂具体什么问题
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>登录</title>
<link rel="stylesheet" href="css/font-awesome.min.css"/>
<style>
html,body{width:100%;}
</style>
</head>
<body>
<div class="main">
<div class="center">
<form action="" id="formOne" method="post"onsubmit="return submitB()" >
<i class="fa fa-user Cone"> | </i>
<input type="text" name="uer" id="user" placeholder="用户名"onblur="checkUser()"/>
<span id="user_pass"></span>
<br/>
<i class="fa fa-key Cone"> | </i>
<input type="password" name="pwd" id="pwd" placeholder="密码"onblur="checkUser1()"/>
<span id="pwd_pass"></span>
<br/>
<i class="fa fa-folder-open Cone"> | </i>
<input type="text" name="surePwd" id="surePwd" placeholder="验证码"onblur="checkUser2()"/>
<span id="surePwd_pass" ></span><br/>
<input type="submit" value="Sign in" id="submit" name="submit">
<br/>
</div>
</body>
</html>