ElementInternals's states property and the :state() pseudo class
A set of W3C specifications that define a standard component model for the web, including Custom Elements and Shadow DOM.
What is ElementInternals's states property and the :state() pseudo class?
Web Components is a collection of W3C specifications that define a native component model for the web. It enables developers to create reusable, encapsulated custom HTML elements using browser-standard APIs like Custom Elements and Shadow DOM. This solves the problem of building interoperable, framework-independent UI components.
Frontend developers and library authors who need to create reusable UI components that work across different frameworks and have long-term browser support.
Developers choose Web Components because they are a native web standard, ensuring compatibility and longevity without vendor lock-in. They provide true encapsulation and interoperability between different frameworks and libraries.
Overview
Web Components specifications
Use Cases
Best For
- Building framework-agnostic UI component libraries
- Creating reusable web components that work across React, Vue, and Angular
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