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Jakarta Faces

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description Jakarta Faces Overview

Jakarta Faces is a Java EE component framework for building portable, modular web applications using Unified Expression Language (UEL) and tag extensions, offering an alternative to JavaScript-heavy frontends.

help Jakarta Faces FAQ

Is Jakarta Faces the same technology as JSF?

Jakarta Faces is the current Jakarta EE name for the technology formerly known as JavaServer Faces or JSF. It remains a component-based MVC framework for building web application user interfaces. [Jakarta EE](https://jakarta.ee/specifications/faces/)

What does Jakarta Faces handle besides rendering HTML?

The specification covers UI components, state management, event handling, input validation, page navigation, internationalization and accessibility. This lets a server-side application manage a form as a component tree rather than manually wiring every browser event. [Jakarta EE](https://jakarta.ee/specifications/faces/)

What are Facelets and Unified Expression Language used for in Jakarta Faces?

Facelets provide the XHTML-based view and tag system used to assemble Jakarta Faces components. Unified Expression Language, or UEL, connects those views to server-side values, actions and managed application state. [Jakarta Faces specification](https://jakarta.ee/specifications/faces/4.0/jakarta-faces-4.0.pdf)

Which Jakarta Faces version is associated with Jakarta EE 11?

The official specification page lists Jakarta Faces 4.1 for Jakarta EE 11. It also lists Jakarta Faces 5.0 as under development for Jakarta EE 12, so the compatible version depends on the Jakarta EE runtime being used. [Jakarta EE](https://jakarta.ee/specifications/faces/)

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