Скрипт заполнения данных платежной карты

// ==UserScript==
// @name         Aliexpress CARD filler
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Заполнение данных платежной карты
// @author       Andronio
// @match        https://shoppingcart.aliexpress.ru/orders.htm?aeOrderFrom=main_shopcart*
// @grant        none
// @noframes
// ==/UserScript==

let timeout = 50;

(function() {
    'use strict';

    var div = document.createElement('div');
    div.className = 'myBox';

    div.innerHTML += `
    <input type="text" id="carddata"></br>
    <input type="button" id="cardfill" class="mybutton" value="Карта">
    `;

// Стили
    var styles = `
    .myBox {
    position: fixed;
    top: 0;
    right: 0;
    background: white;
    box-shadow: 1px -1px 4px 1px;
    max-width: 40%;
    max-height: 400px;
    padding: 10px 20px;
    overflow-y: auto;
    overflow-x: hidden;
    z-index:9999;
    }

    .mybutton {
    display: inline;
    padding: 5px 10px;
    margin-right:auto;
    cursor:pointer;
    }`

    var styleSheet = document.createElement("style")
    styleSheet.type = "text/css"
    styleSheet.innerText = styles
    document.head.append(styleSheet)
    document.body.append(div);

    let mybutton1 = document.getElementById("cardfill");
    mybutton1.addEventListener('click', cardFunc);
    let mytext = document.getElementById("carddata");
    mytext.addEventListener('keydown', event => {
        if (event.keyCode == "13") {
            document.getElementById('cardfill').click();
        }
    });
    mytext.focus();

})();

function cardFunc() {
    let cardNumber = document.getElementById('cardNo');
    let cardHold   = document.getElementById('cardHolder');
    let dateExpire = document.getElementById('expire');
    let codeCVC    = document.getElementById('cvc');
    let mytext     = document.getElementById("carddata");
    let mass;

    if (mytext.value == "") return null;
    if (/\d{4}\s\d{4}\s\d{4}\s\d{4},\s\d{4}\/\d\d,\s\d{3},\s[\w\s]+,\s/.test(mytext.value)) {
        mass = mytext.value.split(', ');
    } else {
        return alert("Нет данных карты");
    }
    let nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, 'value').set;

    nativeInputValueSetter.call(cardNumber, mass[0]);
    cardNumber.dispatchEvent(new Event('change', {bubbles: true}));
    cardNumber.dispatchEvent(new Event('blur', {bubbles: true}));

    nativeInputValueSetter.call(cardHold, mass[3]);
    cardHold.dispatchEvent(new Event('change', {bubbles: true}));

    let date = mass[1].slice(5,7) + '/' + mass[1].slice(2,4);
    nativeInputValueSetter.call(dateExpire, date);
    dateExpire.dispatchEvent(new Event('change', {bubbles: true}));

    nativeInputValueSetter.call(codeCVC, mass[2]);
    codeCVC.dispatchEvent(new Event('change', {bubbles: true}));

    document.querySelector('[ae_button_type="confirm"]').click();
    document.querySelector(".myBox").style.display = "none";
}