text: // Example starter JavaScript for disabling form submissions if there are invalid fields
  (function () {
      'use strict'
  
      // Fetch all the forms we want to apply custom Bootstrap validation styles to
      var forms = document.querySelectorAll('.needs-validation')
  
      // Loop over them and prevent submission
      Array.prototype.slice.call(forms)
          .forEach(function (form) {
          form.addEventListener('submit', function (event) {
              if (!form.checkValidity()) {
                  event.preventDefault()
                  event.stopPropagation()
              }
              else if (form.checkValidity()) {
                  var val = document.getElementById('email-bill').value
  
                  if (val == "") {
                      var salute = document.getElementById('salute').value
                      var name = document.getElementById('name').value
                      var email = document.getElementById('email').value
  
                      alert("Hello, " + salute + " " + name + "! you have subscribed to the Musika. Newsletter using " + email + ".");
                  }
                  else alert("Your email (" + val + ") was successfully subscribed.");
  
                  // form.reset();
                  
                  // event.preventDefault()
                  // event.stopPropagation()
              }
  
              form.classList.add('was-validated')
          }, false)
      })
  })()