It says that it'll re-run the code on resize, which is a lot easier than using a canvas manually then listening for window.onresize or something. And I suppose

It says that it'll re-run the code on resize, which is a lot easier than using a canvas manually then listening for window.onresize or something. And I suppose supplying the parameters in CSS instead of via a separate JS call is nice? Also, the mention of rendering off-thread in the future is pretty great, and not possible with current methods.