I enjoyed messing around with that. I'm very old and your app helped reinforce that. I have a stupid question that is likely due to my age. Please feel free to ignore me. Why is this called an app and not a webpage? Is it just modern parlance or is there some functional difference?

It’s a website, because it has a URL, you use a browser to access it and it’s written in html, css and JavaScript.

It’s an app, because it’s interactive. App means application, program, etc. but it doesn’t necessarily needs to be downloaded.

I guess JavaScript blurred the lines a bit, eh. Thanks for your reply.

I have not opened the link above poster shared, but in my mind, a webpage is linear, like a page, where I read, and get info. It does not change state significantly if it even offers any interaction with user. There might be a new oage loading, or images load dynamically, but it does not get or ask information from user, process it & then spit out some data about it.

An app usually displays something on a page, but most of the data is asked from me, app processes it, stores it, displays it.

That defines this pretty well. It's interactive.

Thank you for your helpful reply.

Thanks for trying it out! Modern parlance, imo.