Earlier quoted context omitted.
Every single time I am forced to do web development, I miss such frameworks.
What does that mean? The web is already cross platform, that's kind of the whole point
Or the lack of integration with native animation frameworks, widgets, behaviours and system APIs, even with HTML 5.
Or hacks like Service Worker with in browser database, to be able to write offline apps, something that just works out of the box in native apps.