# Nuedom: HTML first UI assembly Nuedom (or just "Nue") is a markup language that extends HTML with just enough syntax to build websites, apps and SVG images. It's a different development model based on document structure rather than programmatic composition. ## UI assembly Nue differs from React "composition" in both syntax and architecture: **HTML over JavaScript** - In Nue, your UI is a document tree with data bindings and event listeners. In React, it's JavaScript functions returning objects. This difference changes the way you think about application structure. **Standards first** - ``, `
`, ``, form validation, scroll-snap, container queries. Modern HTML is interactive. Nue adds the missing pieces for dynamic behavior. **DOM based** - Nue's AST maps directly to DOM operations. No virtual DOM, no reconciliation. A button is a `

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 ``` Check [Nue website](https://nuejs.org/docs/nuedom) for details.