Scroll drive animation demonstrations.

Using input element:
target.style.animation = "anim 100s";
timeline = new ScrollTimeline(scrubber, "horizontal");

Using Scroll snap pointer:
target.style.animation = "rotate 1000ms"
timeline = new ScrollTimeline(scrollSnap, "horizontal");

0ms

100ms

200ms

300ms

400ms

500ms

600ms

700ms

800ms

900ms

1000ms

Using input element and animation have several iterations:
target.style.animation = "anim 1s linear 0s 3";
timeline = new ScrollTimeline(iterationScrubber, "horizontal");

Using input element and animation have infinity iterations:
target.style.animation = "anim 1s linear 0s Infinite";
let timeline = new ScrollTimeline(infinityScrubber, "horizontal", 2000);