https://bs1-augsburg.de/media/system/js/joomla-hidden-mail.js?80d9c7

1/**
2 * @copyright  (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
3 * @license    GNU General Public License version 2 or later; see LICENSE.txt
4 */
5window.customElements.define('joomla-hidden-mail', class extends HTMLElement {
6  constructor() {
7    super();
8    this.newElement = '';
9    this.base = '';
10  }
11
12  /**
13   * Lifecycle
14   */
15  disconnectedCallback() {
16    this.innerHTML = '';
17  }
18
19  /**
20   * Lifecycle
21   */
22  connectedCallback() {
23    this.base = `${this.getAttribute('base')}/`;
24    if (this.getAttribute('is-link') === '1') {
25      this.newElement = document.createElement('a');
26      this.newElement.setAttribute('href', `mailto:${this.constructor.b64DecodeUnicode(this.getAttribute('first'))}@${this.constructor.b64DecodeUnicode(this.getAttribute('last'))}`);
27
28      // Get all of the original element attributes, and pass them to the link
29      [].slice.call(this.attributes).forEach((attribute, index) => {
30        const {
31          nodeName
32        } = this.attributes.item(index);
33        if (nodeName) {
34          // We do care for some attributes
35          if (['is-link', 'is-email', 'first', 'last', 'text'].indexOf(nodeName) === -1) {
36            const {
37              nodeValue
38            } = this.attributes.item(index);
39            this.newElement.setAttribute(nodeName, nodeValue);
40          }
41        }
42      });
43    } else {
44      this.newElement = document.createElement('span');
45    }
46    if (this.getAttribute('text')) {
47      let innerStr = this.constructor.b64DecodeUnicode(this.getAttribute('text'));
48      innerStr = innerStr.replace('src="images/', `src="${this.base}images/`).replace('src="media/', `src="${this.base}media/`);
49      this.newElement.innerHTML = Joomla.sanitizeHtml(innerStr);
50    } else {
51      this.newElement.innerText = `${window.atob(this.getAttribute('first'))}@${window.atob(this.getAttribute('last'))}`;
52    }
53
54    // Remove class and style Attributes
55    this.removeAttribute('class');
56    this.removeAttribute('style');
57
58    // Remove the noscript message
59    this.innerText = '';
60
61    // Display the new element
62    this.appendChild(this.newElement);
63  }
64  static b64DecodeUnicode(str) {
65    return decodeURIComponent(Array.prototype.map.call(atob(str), c => `%${`00${c.charCodeAt(0).toString(16)}`.slice(-2)}`).join(''));
66  }
67});