Tampermonkey userscript: AWS SSO - Close 'Get Credentials' Modal

userscript.js

// ==UserScript==
// @name         AWS SSO - Close 'Get Credentials' Modal
// @namespace    awsapps.com
// @version      1.0
// @description  Allow escape key to close modal
// @author       Mike Atlas
// @match        https://*.awsapps.com/start*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=awsapps.com
// ==/UserScript==

(function() {
    'use strict';
    document.onkeydown = function(evt) {
        evt = evt || window.event;
        var isEscape = false;
        if ("key" in evt) {
            isEscape = (evt.key === "Escape" || evt.key === "Esc");
        } else {
            isEscape = (evt.keyCode === 27);
        }
        if (isEscape) {
            Array.from(document.getElementsByClassName("close")).forEach(x => {
                x.click();
            });
        }
    };

})();