Your system asks for reduced motion, so VFX-JS draws nothing. Demos on this site show plain HTML.
Type
GlitchParams
effects/src/glitch.ts:89 ↗import type { GlitchParams } from "@vfx-js/effects";Properties
intensity
intensity: number
Overall glitch strength — scales shift and aberration amounts.
speed
speed: number
Time scale applied to the animation.