Compare Animate On Scroll (AOS) vs. Anime.js

The Animate on Scroll (AOS) library requires your build process to be properly set up with a styles loader to ensure everything is bundled correctly; however, if you're using Parcel, it functions seamlessly right from the start. The AOS object is accessible globally and currently includes three key methods: you can initialize AOS, recalculate element offsets and positions during window resizing, and refresh the array of AOS elements in response to changes in the DOM. By default, AOS monitors for changes in the DOM, automatically invoking a hard refresh when new elements are loaded or existing ones are removed, but in browsers that lack MutationObserver support, such as Internet Explorer, you may need to manually trigger this refresh. Additionally, AOS allows you to set up custom events for specific elements and to incorporate personalized animations, enhancing your web page's interactivity. This flexibility makes AOS a robust choice for adding engaging scroll animations to any site.

Anime.js is a nimble JavaScript animation library that features an intuitive yet robust API. It seamlessly integrates with CSS properties, SVG, DOM attributes, and JavaScript Objects, enabling effortless animation creation. The library simplifies the process of intricate follow-through animations with its built-in staggering system. Users can animate multiple CSS transform properties at varying timings on a single HTML element, allowing for dynamic visual effects. The library offers comprehensive controls, enabling users to play, pause, reverse, and trigger events in a synchronized manner through its extensive callback and control functionalities. Anime.js can be utilized across all web platforms, supporting CSS, SVG, DOM attributes, and JavaScript Objects through a unified API. The staggering feature empowers users to create animations involving multiple elements with overlapping and follow-through actions, enhancing the complexity and richness of animations. Keyframes for animations are defined using an array within the keyframes property, where the duration of each keyframe is calculated by dividing the total animation duration by the number of keyframes specified. This approach ensures that each segment of the animation is precisely timed, providing a polished final product.