Use the javascript parent window to control only one subwindow. _ javascript skills

Using the javascript parent window control, only one subwindow is displayed. Recently, some questions about how to control a subwindow in the parent window are frequently circulated on the Internet, most of them can only solve part of the problem or make it difficult, but it is not perfect. For example, a Cookie is used. The following is an example.
A pop-up window is made on the home page. How to make it only pop up once is not displayed when you return to the home page.
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Script
Window. open ("http://www.yeboss.com.cn", "yeboss", "width = 300, height = 400 ")
Script
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Cookie
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