Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Function
markHicCanvas
vfx-js/src/hic-canvas.ts:24 ↗import { markHicCanvas } from "@vfx-js/core";markHicCanvas(canvas: HTMLCanvasElement, child?: Element | null): void
Mark canvas as an html-in-canvas wrapper and child as drawable.