<!doctype html>
<html lang="en">
<head>
<meta charset\="UTF-8"\>
<meta name\="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv\="X-UA-Compatible" content\="ie=edge"\>
<title\>Document</title\>
</head>
<body>
<div id="divid">
131313
</div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
</script>
</html>
把你的div默认隐藏,定义一个方法显示div,在mounted生命周期里进行定时器调用