Sweet Alert

HTML

<script src="//tristanedwards.me/u/SweetAlert/lib/sweet-alert.js"></script>
<link rel="stylesheet" href="//tristanedwards.me/u/SweetAlert/lib/sweet-alert.css">

JavaScript

swal({
                                title: "Do you want to restore your previous session?",
                                showCancelButton: true,
                                confirmButtonColor: "#337ab7",
                                confirmButtonText: "Yes",
                                cancelButtonText: "No",
                                closeOnConfirm: false,
                                closeOnCancel: false
                            }, (isConfirm) => {
                                if (isConfirm) {
                                    startUnempty();
                                }
                                else {
                                    startEmpty();
                                }
                            });