text: // Example starter JavaScript for disabling form submissions if there are invalid fields
  (function() {
    'use strict';
  
    window.addEventListener(
      'load',
      function() {
        // Fetch all the forms we want to apply custom Bootstrap validation styles to
        var forms = document.getElementsByClassName('needs-validation');
  
        // Loop over them and prevent submission
        Array.prototype.filter.call(forms, function(form) {
          form.addEventListener(
            'submit',
            function(event) {
              if (form.checkValidity() === false) {
                event.preventDefault();
                event.stopPropagation();
              }
              form.classList.add('was-validated');
            },
            false,
          );
        });
      },
      false,
    );
  })();
  