Neopets - Max Bank Goal

// ==UserScript==
// @name         Neopets - Max Bank Goal
// @version      2020.12.30
// @description  Displays how many more NP you need to reach max bank (2,147,483,647)
// @author       Daino
// @include      http*://www.neopets.com/market.phtml?type=till
// @include      http*://www.neopets.com/bank.phtml*
// @grant        GM_getValue
// @grant        GM_setValue
// ==/UserScript==

(function() {
    'use strict';

    const balanceElem = document.getElementById("txtCurrentBalance1");
    const balanceStr = balanceElem.textContent.replace(/\,/g, '');
    const balanceVal = parseInt(balanceStr.substring(17, balanceStr.length - 3));

    const maxBankDiffVal = 2147483647 - balanceVal;
    const maxBankDiffStr = "Max Bank Goal:    " + maxBankDiffVal.toLocaleString() + " NP";

    balanceElem.setAttribute('style', 'white-space: pre;');
    balanceElem.textContent += "\r\n" + maxBankDiffStr;
})();