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/
Aseqdec amtawan n XMLHttpRequest ɣef tinelli n uselken agejdan d aqbuṛ acku ur d-yettawi ara ayen yelhan i tunigin n usqdac annegwray. Ugar n tallalt rzu ɣer http://xhr.spec.whatwg.org/.