我在下面有验证表单的代码。但是,此代码中有一个错误。当我在用户名中输入内容并将密码留空时,表单会接受它。它不应该接受它。知道为什么吗?
<html>
<head> <link type = "text/css" type="text/javascript" rel="stylesheet" href="css/bootstrap.css" />
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript" src="http://jzaefferer.github.com/jquery-validation/jquery.validate.js"></script>
<script src="js/bootstrap.js"> </script>
<script>
$(document).ready(function() {
$('form').validate({
submitHandler: function(form) { // for demo
alert('valid form');
return false;
}
});
});</script>
</head>
<body>
<form class="well span6">
<label>Username</label>
<input type="text" id="myName" class="span3 required" placeholder="Type your username here..." /> <br/>
<label>Password</label>
<input type="text" id="myPassword" class="span3 required" placeholder="Type your password here..." /> <br/>
<input type="submit" class ="btn btn-primary">
<!-- <button class=""> Clear <br/></button><br/> -->
</form>
</body>
</html>