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<script src="../jquery-1.8.3.min.js"></script>
<script type="text/javascript">
function check() {
var $mail = $(".emal").val();
var $psw = $(".password").val();
if ($mail == "") {
alert("Email不能为空");
return false;
}
if ($mail.indexOf("@") == -1) {
alert("Email格式不正确\n必须包含@");
return false;
}
if ($mail.indexOf(".") == -1) {
alert("Email格式不正确\n必须包含.");
return false;
}
if ($psw.length < 6) {
alert("密码必须等于或大于6个字符");
return false;
}
return true;
}
$(document).ready(function () {
$(".my_form").submit(function () {
return check();
});
});
</script>
<form class="my_form" action="success.html" method="post" name="my_form">
<p>Email:
<input type="text" class="email" />
</p>
<p>密 码:
<input type="password" class="password" />
</p>
<p class="last_p">
<input name="btn" type="submit" class="btn" value="登陆" />
</p>
</form>