AOS
A lightweight JavaScript library for animating elements on scroll with CSS-driven transitions.
What is AOS?
AOS (Animate On Scroll) is a lightweight JavaScript library that detects page scrolling and triggers smooth CSS animations on elements as they enter or leave the viewport. It provides an easy way to add engaging scroll-based animations to websites without heavy dependencies or complex configurations. The library focuses on simplicity and performance, leveraging CSS for hardware-accelerated transitions while keeping the JavaScript footprint minimal.
Web developers and designers looking to add scroll-triggered animations to websites with minimal setup, particularly those working on marketing sites, portfolios, or content-heavy pages where visual engagement is a priority.
Developers choose AOS for its straightforward, declarative HTML attribute-based setup, extensive library of built-in animations, and fine-grained control over animation timing and behavior without requiring deep JavaScript knowledge. Its small size, performance focus, and ability to integrate with external CSS animation libraries like Animate.css offer flexibility without bloat.
Overview
Animate on scroll library
Use Cases
Best For
- Adding entrance animations to sections or elements as users scroll down a webpage.
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