In HTML5, can you save an image to cache programmatically?

Question

I love that in HTML5 you can save text data out to a local database, and can even use SQL to do it. (http://webkit.org/blog/126/webkit-does-html5-client-side-database-storag

Answer 1

You could do what Google does in Mobile GMail and implement as a data Url. This means that following would be cached as part of the page (if included in cache.manifest), as they are not external. Either:

Or:

Read more on the subject here: http://www.websiteoptimization.com/speed/tweak/inline-images/