Canvas is an HTML element for drawing graphics. It's by far the fastest way to draw and animate lots and lots of things. 2d/3d, it's all the same. Performance i

Canvas is an HTML element for drawing graphics. It's by far the fastest way to draw and animate lots and lots of things. 2d/3d, it's all the same. Performance is not free, though. It eats CPU cycles for breakfast if you let it. And as you were told - you cannot edit it as it's a canvas, not a document. The reason it's faster is because it is designed for that sort of thing, whereas web pages are meant to be mostly static, which is a good thing. Different use cases