Josh Comeau • 4/28/2026

Scroll-Driven Animations

This article explores the new CSS Animation Timeline API, which allows developers to create scroll-driven animations natively without JavaScript. It covers the core concept of mapping keyframe animations to scroll distance instead of time, provides practical examples like fade-in effects, and discusses advanced features and potential pitfalls. The post is aimed at web developers familiar with CSS keyframe animations and offers a hands-on approach to implementing smooth, performant scroll-based interactions.

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#Frontend #css animations #Scroll Driven Animations