Instead, the browser will have an asynchronous call to the server to obtain the data and refresh only specific parts of the current page.
相反，浏览器将具有一个对服务器的异步调用以获得数据，并且只刷新当前页面的特定部分。
2
Software installation extension cannot perform removal or install operations during asynchronous policy refresh and will force a synchronous foreground refresh.
在异步策略刷新时，软件安装扩展不能运行删除或安装操作，并将强制进行同步前台刷新。
3
Asynchronous processing enables a Web site to break away from the page-centric model, where every user request spawns a time-consuming page refresh.