Bitrix ajax

ext.js

BX.ready(function (){
    BX.bind(BX('bowling_reserve'), 'click', function (e){
        e.preventDefault();
        var form = this.closest('form');
        var formData = BX.ajax.prepareData(BX.ajax.prepareForm(form).data);
        BX.ajax({
            url: '/ajax/bowling_reservation.php',
            data: formData,
            method: 'POST',
            dataType: 'json',
            timeout: 30,
            async: true,
            processData: true,
            scriptsRunFirst: true,
            emulateOnload: true,
            start: true,
            cache: false,
            onsuccess: function (data){
                console.dir(data);
            },
            onfailure: function (){
                console.error(data);
            }
        });
    });
});