What I am trying to do is create a sequence of alert pop-ups that will be used as a tutorial for learning a websites' functionalities. The pop-ups will appear one after another explaining what each "div" of the website does. When a pop-up appears I want the referenced "div" to be focused ( brought to foreground ) so that it would be more visible.What I am trying to do is create a sequence of
阅读背景：
Javascript专注于div同时显示警报框
来源：互联网
分享到：
