stripe response token generation

main.js

        Stripe.setPublishableKey('pk_test_5BzYDSKjzUu2BcVFyKoXpn8h');

        function stripeResponseHandler(status, response) {
            $form = $('#payment-form');
            if (response.error) {
                // re-enable the submit button
                $('#pay-now-submit').removeAttr("disabled");
                // show hidden div
                document.getElementById('a_x200').style.display = 'block';
                // show the errors on the form
                $(".payment-errors").text(response.error.message);
                $('html, body').animate({
                    scrollTop: $('#a_x200').offset().top - 50
                }, 1000);
            } else {
                // token contains id, last4, and card type
                var token = response.id;
                // insert the token into the form so it gets submitted to the server
                if($('[name=stripeToken]').length){
                    $('[name=stripeToken]').remove();
                }
                $form.append($('<input type="hidden" name="stripeToken" />').val(token));
                // and submit
                $form.get(0).submit();
            }
        }