Instant Symol Hole with Quick Retry

// ==UserScript==
// @name         Instant Symol Hole with Quick Retry
// @version      0.1
// @author       Rippy
// @match        *://www.neopets.com/medieval/symolhole.phtml
// @grant        GM_setValue
// @grant        GM_getValue
// @require      http://code.jquery.com/jquery-latest.js

// ==/UserScript==

// mostly copying and repurposing the existing functions
(function() {
    'use strict';

    let symolForm = "<form method='post' id='process_symolhole' onsubmit='handleSubmit(); return false;'>" + $("#process_symolhole").html() + "<div id='attempts'></div><br /></form>";
    let attempts = 0;

    handleSubmit = () => {
        let goin = $("select#goin").val();
        /*$.ajax({
            type: 'post',
            dataType: 'html',
            url: '/medieval/process_symolhole_h5.phtml',
            data: {type: 'wait', goin: goin},
            success: function(data){
                var msg = JSON.parse(data);
                $('#symolhole-container').html(msg.start + msg.middle + msg.end);
                // insert other ajax call here if this needs to happen first
            }
        });*/
        let count = 0;
        let dots = window.setInterval(function () {
            if (count > 2) {
                count = 0;
                $("#enterhole").text("   ");
            } else if (count == 0) {
                $("#enterhole").text(".  ");
                count++;
            } else if (count == 1) {
                $("#enterhole").text(".. ");
                count++;
            } else {
                $("#enterhole").text("...");
                count++;
            }
        }, 300);

        $("#enterhole").attr("disabled", true);
        let symolData = {};
        symolData["type"] = "goin";
        symolData["outfmt"] = "json";
        symolData["goin"] = goin;

        $.ajax({
            type: "POST",
            dataType: 'html',
            url: '/medieval/process_symolhole_h5.phtml',
            data: symolData,
            success: function (data) {
                //console.log(msg);
                clearInterval(dots);
                let msg = JSON.parse(data);
                if (msg.success) {
                    attempts++;
                    $('#symolhole-container').html(msg.message + symolForm);
                    $('#goin').val(goin);
                    $('#attempts').html(`Number of Attempts: ${attempts}<br />(Don't spam the button! Click in moderation)`);
                } else {
                    console.log(msg.errormsg);
                }
            },
            error: function (e) {
                //console.log(e.responseText);
                alert("error");
            }
        }).done({
            //console.log("I'm done!");
        });
    };
})();