How would one go about caching / managing many large files (videos) on a user\'s computer via browser mechanisms (plugins are acceptable solutions). From what I can tell, lo
Well most parts of html5 local storage are explained above.
here https://stackoverflow.com/a/11272187/1460465 there was a similar question, not about video's but if you can add a xml to local storage.
I mentioned a article in my answer in the article javascript is used to parse a xml to local storage and how to query it offline.
Might help you.