Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/
Asosiy mavzudagi Sinxronlanadigan XMLHttpRequest eskirgan, chunki uning zararlangan effektlari foydalanuvchi tajribasini yomonlashtiradi. Ko‘proq yordam olish uchun http://xhr.spec.whatwg.org/ saytiga kiring