- https://hacks.mozilla.org/2016/03/build-the-virtual-reality-web-with-a-frame/ https://hacks.mozilla.org/2016/03/build-the-virtual-reality-... The declarative

- https://hacks.mozilla.org/2016/03/build-the-virtual-reality-web-with-a-frame/ https://hacks.mozilla.org/2016/03/build-the-virtual-reality-... The declarative layer is an extremely thin abstraction. A-Frame has feature parity with three.js given its extensibility and entity-component pattern. I'd give it a deeper look.