submit-FormFerret-form-with AJAX.js

$(document).ready(function() {
  $('#contact').submit(function(e) {
    var form = $(this);
    var endpoint = form.prop('action');
    var data = form.serialize();
    var submitButton = $('button', form);

    e.preventDefault();

    $.ajax({
      type: 'POST',
      url: endpoint,
      headers: {
        Accept : "application/json; charset=utf-8",
      },
      data: data,
      beforeSend: function() {
        submitButton.prop('disabled', 'disabled');
      }
    })
    .done(function(data) {
      submitButton.prop('disabled', false);
    });
  });
});