gistfile1.js

(function($) {
    // Handle submission of the account linking form.
    $(document).on('submit', '#account-link-form', function(e) {
        e.preventDefault();

        var $form = $(this);
        var url = $form.attr('action');

        $.ajax({
            type: 'POST',
            url: url,
            data: $form.serialize(),
            success: function() {
                alert('test');
                $form.fadeOut(500, function() {
                    $('#account-link-success').fadeIn(500);
                });
            }
        });
    });
})($);