Javascript script _ javascript skills for highly automatic refresh of framework pages

The framework page is updated automatically. When index.htm is refreshed, the script is automatically called every second to refresh the framework Page code. The specific implementation is as follows. If you are interested, you can find out Implementation principle:Index.htm automatically calls the script every second to refresh the framework Page code
Code advantages:You only need to set the scripts on the index.html framework page. No code is required to call the loaded subpages.
The index.htm code is as follows:

The Code is as follows:

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