Before / after split slider
Centre divider drives a clip-path on the After layer so dragging reveals the underlying Before. Header shows the percent edited; range row in the foot duplicates the divider position as a slider semantic for assistive tech.
Production answer
Before / after split slider is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.
Primary CTAReview Before / after split slider states
Generative search brief
Before / after split slider: Centre divider drives a clip-path on the After layer so dragging reveals the underlying Before. Header shows the percent edited; range row in the foot duplicates the divider position as a slider semantic for assistive tech.