sweetallert

<script src="https://cdn.jsdelivr.net/npm/sweetalert2@9"></script>

<script src="https://unpkg.com/sweetalert/dist/sweetalert.min.js"></script>

swal({  title: "Are you sure?",  text: "Once deleted, you will not be able to recover this imaginary file!",  icon: "warning",  buttons: true,  dangerMode: true,}).then((willDelete) => {  if (willDelete) {    swal("Poof! Your imaginary file has been deleted!", {      icon: "success",    });  } else {    swal("Your imaginary file is safe!");  }});

swal("Good job!", "You clicked the button!", "success");

swal({
  text: "Hello world!",
});