info@algasy*** info@algasystem.hu Show email address document.addEventListener('DOMContentLoaded', function () { const btn = document.querySelector('.show-email-btn'); const fullEmail = document.querySelector('.email-full'); const previewEmail = document.querySelector('.email-preview'); btn.addEventListener('click', function () { fullEmail.style.display = 'inline'; previewEmail.style.display = 'none'; btn.style.display = 'none'; }); });