title: Why does Sencha 2 only work in Webkit browsers?
body: <p>What does Sencha 2 only work in Webkit browsers? I understand they require the Webkit engine, but why do they do this, what does this webkit engine have which the engines in Firefox / IE doesnt have? A browser consists of a HTML engine, CSS engine and Javascript engine - just for curriosity, is it the Javascript engine which is special with Webkit in respect of Sencha ?</p>