document.querySelector('form').addEventListener('submit', function(e) { const wrapper = document.getElementById('submit-wrapper') if (wrapper === null) { return } wrapper.getElementsByClassName('icon-confirm-white').forEach(function(el) { el.classList.remove('icon-confirm-white') el.classList.add(OCA.Theming && OCA.Theming.inverted ? 'icon-loading-small' : 'icon-loading-small-dark') el.disabled = true }) })