In need to learn VR ( Virtual Reality). But how to start?

Question

I came up with this ambition to learn how to create VR using javascript, css and html using special frameworks. But how? And which framework?

Answer 1

Here are some links to get you started with VR on the web and other platforms.
https://aframe.io/
https://threejs.org/
https://facebook.github.io/react-vr/
https://www.udacity.com/course/vr-developer-nanodegree--nd017

Answer 2

Wow!..aframe I think its what I was finding. Also udacity provides cool walkthrough but I need to learn how to use unity game engine.