Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Type
DitherStyle
effects/src/dither.ts:80 ↗import type { DitherStyle } from "@vfx-js/effects";type DitherStyle =
| "bayer2"
| "bayer4"
| "bayer8"
| "bayer16"
| "blueNoise"
| "threshold"