can we use toastr notification in laravel 7 without installing toastr packges code example

Example: toastr.js notification for laravel

<head>
    <title>Laravel 8 Toastr Notification Example - websolutionstuff.com</title>

    <link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0- 
     alpha/css/bootstrap.css" rel="stylesheet">
	
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>

	<link rel="stylesheet" type="text/css" 
     href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css">
	
    <script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/js/toastr.min.js"></script>
</head>