document.getElementsByClassName("elementor-button-text")[0].innerText = "" var x; // run some code every 1000ms to check for the presence of an element x = setInterval(function() { const el = document.querySelector('.elementor-button--view-cart'); if (el !== null) { // my element is on the page; no need to poll any more clearInterval(x); document.getElementsByClassName('elementor-button elementor-button--view-cart elementor-size-md')[0].innerText = "VER PRESUPUESTOS"; document.getElementsByClassName('elementor-button elementor-button--checkout elementor-size-md')[0].innerText = "SOLICITAR PRESUPUESTOS"; } }, 1000);