Individual skill
animation-on-scroll
Create an on-scroll animation trigger using IntersectionObserver with Tailwind-friendly animation classes and keyframes. Use when asked for scroll-reveal, animate-on-scroll, or sequencing element animations when they enter the viewport.
agent-skills/web-design/animation-on-scroll/SKILL.md
Source commit 5ea1661a0e05d82b054553daaa6baf6d0233c33c
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- Last checked
- Nov 9, 2026
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SKILL.mdcore · 3,549 bytesdemo/PROMPT.mddoc · 1,963 bytesdemo/index.htmlasset · 16,448 bytesdemo/preview.jpgasset · 63,365 bytes
Read excerpt
# Animation On Scroll Skill
## Workflow
1. Confirm animation style, timing, and whether animations should run once or repeat.
2. Provide the keyframes + JS observer snippet and the exact Tailwind class to apply.
3. Offer focused tweaks only (threshold, rootMargin, duration, delay, transform/blur values).
## Usage checklist
- Insert the JS snippet in the `<head>` after the keyframes.
- Add the animation class and `animate-on-scroll` to elements.
- Ensure your keyframes name matches the Tailwind animation reference.
## IntersectionObserver trigger
```html