Lax.js

In plain words

Lax.js is a lightweight JavaScript plugin that enables smooth animations triggered by scrolling. At just 2kb when minified and zipped, it allows web developers to create interactive visual effects as users scroll through pages. The tool is designed for developers and designers who want to add dynamic motion to websites with minimal performance impact.

written from the facts on this page · September 2026

From the sources

Simple & light weight (2kb minified & zipped) vanilla javascript plugin to create smooth & beautiful animations when you scrolllll! Harness the power of the most intuitive interaction and make your websites come alive! View the demo here: https://alexfox.dev/laxxx/

Simple & lightweight (<4kb gzipped) vanilla JavaScript library to create smooth & beautiful animations when you scroll. - alexfoxy/lax.js

• 
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