<head>
...
<script type="text/javascript" src="dist/cdn.js"></script>
<script type="text/javascript">
<!-- You should specify the package, version,ile, and your local resource path -->
loadCdnResource("jquery", "3.6.3", "jquery.min.js", "local.js", 2000)
<!-- and also can custom total CDN check timeout for quick response -->
loadCdnResource("jquery", "3.6.3333", "jquery.min.js", "local.js", 2000)
</script>
...
</head>备选服务方式,有默认cdn, 仅在CDN服务宕机后重新加载
<head>
...
<script type="text/javascript" src="https://cdn.staticfile.org/jquery/3.6.3.3/jquery.min.js"></script>
<script type="text/javascript" src="dist/cdn.js"></script>
<script type="text/javascript">
!window.jQuery&&loadCdnResource("jquery", "3.6.3", "jquery.min.js", "local.js")
</script>
...
</head>