Cerious Scroll™

February 1, 2026 · View on GitHub

High-Performance Virtual Scrolling for Web Applications

Cerious Scroll™ is an enterprise-grade virtual scrolling engine that enables smooth scrolling through millions to hundreds of millions of elements at a consistent 60 FPS+, while maintaining O(1) constant memory usage.

It is designed for data grids, chat applications, log viewers, financial dashboards, analytics platforms, and any application that must efficiently render massive datasets without performance degradation.

🌐 View Live Demos | 📚 Read Documentation

🚀 Key Features

True O(1) Memory Usage
Constant memory regardless of dataset size (tested with 100M+ elements)
Consistent 60 FPS+ Performance
Sub-millisecond scroll calculations under real-world load
Native Variable Height Support
No pre-calculation required — automatic, on-demand measurement
Framework Agnostic
Works with Vanilla JS, Angular, React, Vue, or any framework
Native Scrollbar Integration
Familiar UX with accurate bidirectional synchronization
Element-Based Positioning Algorithm
Eliminates fragile pixel-math approaches
No GPU Transforms
Pure DOM manipulation — no translate3d hacks
TypeScript Support
Full type definitions included

📦 Installation

npm

npm install @ceriousdevtech/cerious-scroll

From Source

# Clone the repository
git clone https://github.com/ceriousdevtech/cerious-scroll.git
cd cerious-scroll

# Install dependencies and build
npm install
npm run build

# Use the built files from dist/

Direct Download

Download the latest release from GitHub Releases and include:

<script src="path/to/cerious-scroll.bundle.js"></script>

Or via CDN:

<script src="https://unpkg.com/@ceriousdevtech/cerious-scroll@latest/dist/cerious-scroll.min.js"></script>

🎯 Quick Start

import { CeriousScroll } from '@ceriousdevtech/cerious-scroll';

const data = Array.from({ length: 10000 }, (_, i) => ({
  id: i,
  content: `Item ${i}`
}));

const container = document.getElementById('scroll-container');

const scroller = new CeriousScroll(
  container,
  data.length,
  40
);

container.addEventListener('cerious-viewport-change', () => {
  scroller.renderViewport(
    container.clientHeight,
    container,
    (index, element) => {
      element.innerHTML = `<div class="item">${data[index].content}</div>`;
      return element.offsetHeight;
    }
  );
});

container.dispatchEvent(new CustomEvent('cerious-viewport-change'));

📄 License

Cerious Scroll™ is dual-licensed by Cerious DevTech LLC.

Open-Source License

MIT License (see LICENSE or LICENSE-MIT)

Commercial License

Available for organizations that prefer a separately executed commercial agreement (for example: explicit patent rights, priority support, or custom terms).

See LICENSE-COMMERCIAL for details.

📧 info@ceriousdevtech.com