Does the nailing computer version of cross-platform technology use electron?

does the nailing computer version of cross-platform technology use electron? Or a packaging technology like electron.
as shown in the following figure, how they are implemented, especially when multiple pages are opened at the same time in the same window and can be closed.
I learned earlier that if the front and rear ends are separated and the front end writes its own routing, it may be able to control it. But at present, all of our html, js, css and png are obtained through the server. In particular, html is parsed at the back end, returned to the browser, and then rendered.
advance, retreat and refresh. It is estimated that you can finish your own research for a period of time. It belongs to the native menu bar.


nw.js for nailing


I also want to know, ^ _ ^


after a rough idea, you can use the element component in layui.

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