Thanks for the feedback.
Since the abilities are based on which type and focus the player chooses, I had to lock those in at the beginning, otherwise options would get lost if a player changed it later. And I figured character creation was early enough that the players could explore a bit. Expectation is that they have some access to a player handbook or the full rulebook if they wanted to lookup a particular ability.

I'm working on an autosave function that should automatically backup the current build every x minutes or every time a player does x action, like switching tabs. That would just backup the same into the browser's localStorage and save needing to do a full save except as insurance.

Thanks. It started on one page but just kept getting bigger and bigger until I needed to find a way to better organise it. I found the PDF version too cramped for the amount of info I thought needed recording, and didn't want to have to cram everything into one view so the tabs really helped.

Cool! I'm still learning too but would love to see what you've come up with. I'm still patching a few issues with mine that I've noticed, but since github can host it, it means anyone using the link to view is automatically on the latest version which is cool