Can I compare values form two separate html file using single javascript file?

Question

Please answering this one if you can.
>Can I compare values form two separate html file using single javascript file?
How ? And why?

Answer 1

Yes you can do that but you probably need to have a common store where those different values would be stored before you can compare them, either in session storage, cookie, local storage or database depending on the sensitivity of the data in question.