当我将数据保存到mysql时，它会保存并成功sweetalert2显示响应。定时器输出后它消失但不执行功能。
我的代码如下：
swal({
position: 'center',
type: 'warning',
title: 'Exam already exist',
showConfirmButton: false,
timer: 2500,
},
function () {
window.location.href = 'examination.php';
});<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/sweetalert2.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/sweetalert2.min.js" type="text/javascript"></script>
</head>
<body>
<h1>Hello, world!</h1>
</body>
</html>使用onClose()功能
swal({
position: 'center',
type: 'warning',
title: 'Exam already exist',
showConfirmButton: false,
timer: 2500,
onClose: () => {
window.location.href="https://google.com"
}
});<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/sweetalert2.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/sweetalert2.min.js" type="text/javascript"></script>
<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>
</body>
</html>