// Example starter JavaScript for disabling form submissions if there are invalid fields document.addEventListener("DOMContentLoaded", () => { "use strict"; // Fetch all the forms we want to apply custom Bootstrap validation styles to const forms = document.querySelectorAll(".needs-validation"); // Loop over them and prevent submission Array.from(forms).forEach((form) => { form.addEventListener( "submit", (event) => { if (!form.checkValidity()) { event.preventDefault(); event.stopPropagation(); } form.classList.add("was-validated"); }, false ); }); });