mylloon.fr/static/js/mail_obfuscation.js

window.addEventListener("load", () => {
  Array.from(document.getElementsByClassName("at")).forEach((elem) => {
    elem.textContent = "@";

    // Change link
    const a = elem.parentElement;
    const href = a.getAttribute("href");
    elem.parentElement.setAttribute(
      "href",
      href.replace(" at ", elem.textContent)
    );
  });
});