Why use JavaScriptCore in iOS7 if it can't access a UIWebView's runtime?

Question

This is in response to this blog:

http://blog.bignerdranch.com/3784-javascriptcore-and-ios-7/

Thoughts from the iOS devs on SO?

Answer 1

You can write ios7 apps using JavaScript:

http://www.youtube.com/watch?v=y-nodF6Cp1Y