Though primarily used for requesting data from the server, XHR can also be used to send data back.

虽然XHR主要用于从服务器获取数据，它也可以用来将数据发回。

youdao

Though primarily used for requesting data from the server, XHR can also be used to send data back.

虽然XHR主要用于从服务器获取数据，它也可以用来将数据发回。

youdao