nice alert javascript code example

Example 1: swal fire types

swal({
  title: "Are you sure?",
  text: "Your will not be able to recover this imaginary file!",
  type: "danger",
  showCancelButton: true,
  confirmButtonClass: "btn-danger",
  confirmButtonText: "Yes, delete it!",
  closeOnConfirm: false
},
function(){
  swal("Deleted!", "Your imaginary file has been deleted.", "success");
});

Example 2: sweet alert js

swal({
     title: "Deleted!",
     text: "Your row has been deleted.",
     button: "Close", // Text on button
     icon: "success", //built in icons: success, warning, error, info
     timer: 3000, //timeOut for auto-close
      buttons: {
        confirm: {
          text: "OK",
          value: true,
          visible: true,
          className: "",
          closeModal: true
        },
        cancel: {
          text: "Cancel",
          value: false,
          visible: true,
          className: "",
          closeModal: true,
        }
      }
     });