Initiating a request for additional information from the server based on a click or a mouseover event without refreshing the page the user is viewing.

基于单击或鼠标悬浮事件从服务器发起对额外信息的请求，而且无需刷新用户所查看的页面。

youdao

Initiating a request for additional information from the server based on a click or a mouseover event without refreshing the page the user is viewing.

基于单击或鼠标悬浮事件从服务器发起对额外信息的请求，而且无需刷新用户所查看的页面。

youdao