Canvas and WebGL

How to draw a square in WebGL

One common misconception about WebGL is that it’s some sort of 3D engine or API. While WebGL has in fact a lot of features that will help you develop 3D applications, in itself it is not 3D. It’s much better to think of WebGL as of a drawing API that gives you access to hardware accelerated graphics.

Excellent tutorial from Bartek Drozdz