Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.

Type

AsciiImageSource

effects/src/ascii.ts:21 ↗
import type { AsciiImageSource } from "@vfx-js/effects";

An image tile source. Strings are treated as URLs (loaded and decoded in init()); the rest are used directly.

type AsciiImageSource =
    | HTMLImageElement
    | HTMLCanvasElement
    | ImageBitmap
    | string