I have this concept in my mind and I'd like some insights as to what is needed in order for this concept to work.
I envision a site that has some sort of interactive widget (for example, a calculator). Now let's say after the user hits the "Calculate" button, not only the widget would show the result immediately on the web browser, it would also update the result in the database on the backend.
Can a javascript do this? I understand that javascript is a client-only tool and as such has no capability to pass information to the server.
Or maybe instead of using a real database such as mySQL, I use a simple spreadsheet like Excel?
Can the script pass the information and update the spreadsheet as the user hits the button? I would imagine you can't do this since the spreadsheet still lies on the server.
So basically what I'd like to achieve is for this web application to update some file I have (either stored in the web server or my local hard drive) so I can keep track of the changes done by the user(s).
Any ideas?
Thanks heaps in advance :)
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