Opening an HTML file inside another HTML file with its scripts

I have several html sub files that should be loaded one by one by a main file with and the main file should have access to all JavaScript functions and variables in the sub files.

For example: The file Sub1.html should be loaded by the main.html file. A JavaScript function from file Sub1.html executes and reads the result of a variable by main.html. Then delete the entire loaded sub1.html part with functions and variables. Then repeat this for Sub2.html, Sub3.html, ...

How can I do this?

Unfortunately, I am a beginner in this field and could not experience any idea.

Via Active questions tagged javascript - Stack Overflow https://ift.tt/TqGlSmP

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