[mertdumenci]

I personally don't think that HTML and CSS are a good fit for building complicated, highly performant mobile layouts in the first place.

Additionally, despite my love for JavaScript, JavaScript is not as fast as native code on mobile phones. You can really feel the difference between a fully native app and a web based app on iOS. (well, unless you can build something as good as Fastbook[1])

But there are definitely things that you can do with two lines of HTML & CSS (like advanced text layouts) that require much, much more code in Objective-C.

Someday it will become a personal choice and hopefully won't differ at all to the user, but I don't think we're there just yet.

[1] How on earth is this this good? http://fb.html5isready.com/