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Bootstrap
The world's most popular front-end framework - v6 brings CSS-first theming and AI-assistant docs
Content updated · 2026-10-19
What is it · 它是什么
What is Bootstrap?
Bootstrap is the most widely used HTML/CSS/JS front-end framework, now evolved into a framework-agnostic design toolkit. v6 (Alpha, October 2026) brings CSS-variable theming (CSS-first), new components and refreshed visuals, stronger JS plugins, plus llms.txt and skill docs so AI coding assistants can code against the official documentation directly. Components, an icon library, examples and build guides (Webpack/Vite/Parcel) are all there. MIT licensed.
How to use · 怎么用
How to use Bootstrap
- Install via npm to start, or try the official CDN.
- Theme through CSS variables (the v6 CSS-first way).
- Point AI assistants at the official llms.txt docs.
Key features · 核心特点
Key features of Bootstrap
- Most popular, deepest ecosystem and resources
- v6: CSS-first theming, refreshed components
- Official icon library and rich examples
- Docs for AI coding assistants, MIT licensed
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