Index Wipe
A full-screen index of names or chapters where hovering one wipes its photo into the background from the direction you're moving and rolls the counter to match.
One of 63 GSAP components in React, Vue and HTML.
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How it's built.
The background wipe never animates a clip-path string directly - browsers collapse the inset() shorthand the moment two sides match, so GSAP can't interpolate a collapsed value against an expanded one and the mask just freezes then snaps. Instead a single proxy number is tweened and a polygon string is written from it on every frame, with the leading edge running slightly ahead of the trailing edge so the reveal reads as a slanted sweep rather than a flat curtain.
Direction comes from where the cursor already was, not from the row itself: moving down the list wipes the incoming photo in from the top, moving up wipes it in from the bottom. That single rule has to hold for every piece - the clip direction, which edge leads, even which way the index rolls - or the transition reads as disconnected from the way you're actually moving through the list.
The index counter in the corner rolls like an odometer: each digit lives in its own fixed-height column and only ever animates a y offset in em units, never a measured pixel position. That keeps it correct on resize and reload without remeasuring anything, and it's the same technique the digit roller in wipe-slider uses.
What you'll need.
Install
- GSAP
- CustomEase
Concepts
Attributes, tips, use cases and full code are part of access.
The preview and provenance stay public. Tune-it docs, the data-anm-* attribute table, real-world use cases and the copy-ready code unlock the moment you sign in.
Frequently asked
- Does Index Wipe work with React and Vue?
- Index Wipe ships as React (Next.js included), Vue 3 (Nuxt included), plain HTML/CSS/JS - the same animation in each format. The React version uses the official useGSAP hook with cleanup handled; the Vue version is a real single-file component with <script setup>.
- Do I need GSAP to use Index Wipe?
- Yes. Index Wipe is built on GSAP directly, and GSAP has been 100% free for commercial use, including every plugin, since version 3.13. The component page lists exactly what to install.
- Can I customize Index Wipe without editing code?
- Index Wipe exposes 3 tunable controls in the Customize panel on this page - drag the values, watch the live preview respond, and the code you copy carries your exact settings.
- Is Index Wipe free?
- Index Wipe is part of the Annnimate Library, a paid subscription (from EUR 249/year). The live preview and customization run free on this page; the paste-ready code is for members.
- Can I use Index Wipe in client projects?
- Yes. The Annnimate license covers commercial and client work - ship Index Wipe on as many projects as you build, with no attribution required.
- Does Index Wipe respect prefers-reduced-motion?
- Yes. Every Annnimate component handles prefers-reduced-motion via gsap.matchMedia, so users who opt out of motion get an effectively instant, readable state.
