<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<script>
function check() {
var email = document.getElementById("email");
if (email.value == "") {
alert = ("请输入您的Email");
return false;
} else if (!email.checkValidity()) {
alert("账号错误，草啊");
return false;
}
}
</script>
<form id="testfom" onsubmit="check()" novalidate="true">
<label form="email">Email</label>
<input name="email" type="email" "id="email "><br>
<input type="submit ">
</form>
</body>
</html>写完这个程序，跑不了是为什么？
1 个回复
BoredApe - 有问题就会有答案。
语法错误..
<input name="email" type="email" *"id="email"** ><br>