toastr

return redirect()->back()->with('success','Added Successfully Done');
          

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css" integrity="sha512-vKMx8UnXk60zUwyUnUPM3HbQo8QfmNx7+ltw8Pm5zLusl1XIfwcxo8DbWCqMGKaWeNxWA8yrx5v3SaVpMvR3CA==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<style>
    .toast-success { background-color: black !important;  } 
    .toast.toast-success, .toast.toast-error{ border-radius: 1rem !important; opacity: 1 !important; }
</style>
          

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.3/jquery.min.js" integrity="sha512-STof4xm1wgkfm7heWqFJVn58Hm3EtS31XFaagaa8VMReCXAkQnJZ+jEy8PCC/iT18dFy95WcExNHFTqLyp72eQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

<script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.js" integrity="sha512-VEd+nq25CkR676O+pLBnDW09R7VQX9Mdiij052gVCp5yVH3jGtH70Ho/UUv4mJDsEdTvqRCFZg0NKGiojGnUCw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script>
    @if(Session::has('success'))
        toastr.options={ "closeButton":true, "progressBar":true, }
        toastr.success("{{ session('success')}}")
    @endif
    @if(Session::has('warning'))
        toastr.options={ "closeButton":true, "progressBar":true, }
        toastr.warning("{{ session('warning')}}")
    @endif
    @if(Session::has('error'))
        toastr.options={ "closeButton":true, "progressBar":true, }
        toastr.error("{{ session('error')}}")
    @endif
    // Validation errors
    @if ($errors->any())
        toastr.options = { "closeButton": true, "progressBar": true }
        @foreach ($errors->all() as $error)
            toastr.error("{{ $error }}");
        @endforeach
    @endif
</script>

toastr.error          
toastr.info          
toastr.warning          
toastr.clear
          
toastr.options = {
  "closeButton": false,
  "debug": false,
  "newestOnTop": false,
  "progressBar": true,
  "positionClass": "toast-top-right",
  "preventDuplicates": true,
  "onclick": null,
  "showDuration": "300",
  "hideDuration": "1000",
  "timeOut": "5000",
  "extendedTimeOut": "1000",
  "showEasing": "swing",
  "hideEasing": "linear",
  "showMethod": "fadeIn",
  "hideMethod": "fadeOut"
}
          
public function index()
{   
    session()->put('success','Item Successfully Created.');
    return view('toastrCheck');
}
toastr.success("{{ Session::get('success') }}");
          
composer require brian2694/laravel-toastr
<link rel="stylesheet" href="http://cdn.bootcss.com/toastr.js/latest/css/toastr.min.css">
<script src="http://cdn.bootcss.com/jquery/2.2.4/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/toastr.js/latest/js/toastr.min.js"></script>
{!! Toastr::message() !!}

Command: toastr["success"]("Thank You", "Success")
toastr.options = {
  "closeButton": true,
  "debug": false,
  "newestOnTop": false,
  "progressBar": true,
  "positionClass": "toast-top-right",
  "preventDuplicates": false,
  "onclick": null,
  "showDuration": "300",
  "hideDuration": "1000",
  "timeOut": "5000",
  "extendedTimeOut": "1000",
  "showEasing": "swing",
  "hideEasing": "linear",
  "showMethod": "fadeIn",
  "hideMethod": "fadeOut"
}