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/
Ina domanda XMLHttpRequest scincrona into thread prinçipâ a l'é deprecâ perché gh'é de efetti negativi in sciâ esperiensa utente. Pe saveine de ciù amia http://xhr.spec.whatwg.org/