Thẻ doc

add_action('wp_footer', 'tienoi_push_phone_to_datalayer'); function tienoi_push_phone_to_datalayer() { ?> document.addEventListener('DOMContentLoaded', function () { const form = document.querySelector('#wpforms-form-3462'); if (form) { form.addEventListener('submit', function () { const phoneInput = document.getElementById('wpforms-3462-field_9'); const phone = phoneInput ? phoneInput.value.trim() : ''; if (phone) { window.dataLayer = window.dataLayer || []; dataLayer.push({ event: 'submit_phone', phone_number: phone }); console.log("Phone pushed to dataLayer: " + phone); } }); } });