<script src='https://www.google.com/recaptcha/api.js?render={{ site_key }}'></script><script> grecaptcha.ready(function () { grecaptcha.execute('{{ site_key }}', {action: 'social'}).then(function (token) { var namedEls = document.querySelectorAll('input.recaptcha') for (let i = 0; i < namedEls.length; i += 1) { namedEls[i].value = token } }) })</script>