yo-yo.js

yo-yo is a tiny, modular JavaScript library for building UI components by combining template literals with efficient DOM diffing. The core idea behind yo-yo is to enable developers to write modular, dynamic views using ES6 tagged template syntax, then update those views by intelligently diffing and morphing the real DOM rather than re-rendering everything. It’s inspired by patterns found in larger UI frameworks but stays extremely lightweight—only a few kilobytes when minified and gzipped—by leveraging existing tools like bel (for templating) and morphdom (for DOM updates). yo-yo underpins some higher-level frameworks and is ideal for developers who want direct control over components without the overhead of a full reactive framework. Its simplicity and elegant API make it a favorite for small to medium front-end projects where performance and minimalism matter.