js：toastr弹出提示信息

wget http://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js
wget http://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css
wget https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js

<!-- 依赖jquery  -->
<script src="./jquery.min.js"></script>
<!-- toastr 样式 和 js -->
<link href="./toastr.min.css" rel="stylesheet" />
<script src="./toastr.min.js"></script>
<script>
    // 居中显示
    toastr.options.positionClass = 'toast-top-center';
    toastr.info('info')
    toastr.warning('warning')
    toastr.success('success')
    toastr.error('error')
  </script>