ajax laravel get values from form

<script>
var form = $('#postAddProject');
var button = $('#project-button');
var name = $('#name');
var link = $('#link');
var image = $('#image');
var token = $('input[name=_token]');
var message = $('#message');

var name_error = $('#name-error');
var link_error = $('#link-error');
var image_error = $('#image-error');

button.click(function (event){

event.preventDefault();

var formData = new FormData();
formData.append('name', name.val());
formData.append('link', link.val());
formData.append('image', image[0].files[0]); 

$.ajax({
url: form.attr('action'),
method: 'post',
dataType: 'json',
contentType: false,
processData: false,

headers: {
    'X-CSRF-TOKEN': token.val()
},

data: formData,

error: function (data) {

    if (data.status === 422) {

         name_error.html(data.responseJSON.name);
         link_error.html(data.responseJSON.link);
         image_error.html(data.responseJSON.image);

    } else {

         alert('success');
    }
}
</script>