Snabbdom vs virtual-dom
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A small, fast virtual DOM library for building and updating web interfaces efficiently.
Open source · MIT
A JavaScript library for describing a web page as data and efficiently updating the real DOM.
The short answer
Choose Snabbdom if you need…
- Developers building interactive web interfaces who want a small, low-level rendering library
- Teams that prefer to pick only the modules they need rather than adopt a full framework
- Projects that need to integrate rendering with functional or reactive (FRP) code
- Developers who want to read and understand the rendering core end to end
Choose virtual-dom if you need…
- JavaScript developers building their own rendering layer for a web app
- Developers who want to learn how virtual DOM diffing and patching work
- Projects that need a small, declarative rendering core without a full framework
- Maintainers of existing code that already uses the virtual-dom or virtual-hyperscript APIs
Side-by-side
| Snabbdom | virtual-dom | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 12.4k | 11.8k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | TypeScript | JavaScript |
| Last code update | 5 months ago | 4 years ago |
What each one is
Snabbdom
Snabbdom is a JavaScript library that manages a virtual DOM, a lightweight in-memory description of what a web page should look like. When your app state changes, it compares the new description with the old one and updates only the parts of the real page that changed. Its core is intentionally small, and extra features such as classes, styles, properties and event listeners are added through optional modules.
virtual-dom
virtual-dom is a JavaScript library that lets you describe what a page should look like as a lightweight tree of plain JavaScript objects, called a VTree. When your app state changes, you build a new tree, and the library compares it with the previous one (diffing) and updates only the parts of the real browser DOM that changed (patching). This avoids manually tracking and editing DOM nodes. It was inspired by React's internals.
Best for
Snabbdom
- Developers building interactive web interfaces who want a small, low-level rendering library
- Teams that prefer to pick only the modules they need rather than adopt a full framework
- Projects that need to integrate rendering with functional or reactive (FRP) code
- Developers who want to read and understand the rendering core end to end
virtual-dom
- JavaScript developers building their own rendering layer for a web app
- Developers who want to learn how virtual DOM diffing and patching work
- Projects that need a small, declarative rendering core without a full framework
- Maintainers of existing code that already uses the virtual-dom or virtual-hyperscript APIs
Strengths
Snabbdom
- The core is about 200 SLOC, so it is easy to read and understand
- Modular design lets you include only the features you use
- The README describes it as among the fastest virtual DOM libraries, with a built-in JSX option
virtual-dom
- Declarative: you describe the desired DOM and the library works out the changes
- Diffing and patching avoid recreating the whole DOM, which the README says helps keep input focus and performance
- Modular: separate functions for element creation, diff and patch, documented in the README
Not ideal for
Snabbdom
- Beginners looking for a complete framework with routing, state management and tooling included, since the README describes Snabbdom as a focused library
- Projects that need a large built-in ecosystem of components, as the README lists mainly a few third-party packages
virtual-dom
- Beginners looking for a complete front-end framework: it only handles rendering and provides no routing, state management or components, per the README
- Teams wanting a actively maintained, production-proven choice: the README labels the project 'experimental' and the last push shown is January 2023
- Projects that want a modern, widely supported ecosystem: the README does not describe current framework integrations
Trade-offs
Snabbdom
- Fewer built-in features than full frameworks; routing and state management are not mentioned in the README
- Requires following its specific patch and vnode conventions, which are described as necessary for its design
- Documentation is limited to the README excerpt provided here, so some advanced areas are unclear
virtual-dom
- The README marks the project as experimental and the documentation is spread across sub-READMEs
- Requires you to write your own state handling and wiring; it does not provide components or a router
- The README's last shown activity is from 2023, so compatibility with current tooling is unclear
Getting started
Snabbdom
Clone the repository
git clone https://github.com/snabbdom/snabbdomvirtual-dom
Clone the repository
git clone https://github.com/Matt-Esch/virtual-domFrequently asked questions
What is the difference between Snabbdom and virtual-dom?
Snabbdom: A small, fast virtual DOM library for building and updating web interfaces efficiently. virtual-dom: A JavaScript library for describing a web page as data and efficiently updating the real DOM. Snabbdom suits developers building interactive web interfaces who want a small, low-level rendering library, while virtual-dom suits javascript developers building their own rendering layer for a web app.
Are Snabbdom and virtual-dom free?
Snabbdom: Free and open source. virtual-dom: Free and open source.
Is Snabbdom or virtual-dom more popular?
Snabbdom has more GitHub stars (12.4k) than virtual-dom (11.8k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Snabbdom and virtual-dom?
Other options people compare them with include Inferno, Preact, React.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.