(Web Accessibility Initiative - Accessible Rich Internet Applications) is a draft technical specification published by the World Wide Web Consortium that specifies how to increase the accessibility of dynamic content and user interface components developed with Ajax, HTML, JavaScript and related technologies. Web developers increasingly use client-side scripts to create user interface controls that cannot be created with HTML alone.

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  • WAI-ARIA ist eine rein semantische Erweiterung für HTML, die das Layout von Webseiten nicht verändert.
  • WAI-ARIA (Web Accessibility Initiative - Accessible Rich Internet Applications) è un insieme di documenti pubblicati dal W3C che specificano come aumentare l’accessibilità dei contenuti dinamici e dei componenti per l’interfaccia utente sviluppati con Ajax, HTML, JavaScript e altre tecnologie collegate. L’HTML non fornisce la possibilità di creare contenuti dinamici o controlli avanzati per l’interfaccia utente, ma consente l’inclusione di applet e script lato client (tipicamente JavaScript). Gli sviluppatori Web utilizzano sempre di più script lato client per creare controlli per l’interfaccia utente che non possono essere creati con il solo HTML. Utilizzano anche script lato client per aggiornare sezioni di una pagina senza richiederne una nuova al web server. Tali tecniche nei siti web vengono chiamate Rich Internet Applications. Questi controlli lato utente e l’aggiornamento dinamico dei contenuti sono spesso non accessibili per utenti con disabilità, specialmente per coloro che utilizzano screen reader e utenti che non possono utilizzare il mouse o altri dispositivi di puntamento. WAI-ARIA descrive come aggiungere una semantica o altri metadati al contenuto HTML allo scopo di rendere i controlli lato utente e i contenuti dinamici più accessibili. Per esempio con WAI-ARIA è possibile identificare una lista di collegamenti come un menù di navigazione decidendo se visualizzarlo espanso o contratto. Originariamente nata per l’HTML, WAI-ARIA non è limitato solo a questo: principalmente può essere utilizzato in altri linguaggi di marcatura come Scalable Vector Graphics (SVG). SVG 1.2 ha aggiunto un piccolo supporto per WAI-ARIA il 15 settembre 2008.
  • (Web Accessibility Initiative - Accessible Rich Internet Applications) is a draft technical specification published by the World Wide Web Consortium that specifies how to increase the accessibility of dynamic content and user interface components developed with Ajax, HTML, JavaScript and related technologies. Web developers increasingly use client-side scripts to create user interface controls that cannot be created with HTML alone. They also use client-side scripts to update sections of a page without requesting a completely new page from a web server. Such techniques on websites are called rich internet applications. These user interface controls and content updates are often not accessible to users with disabilities, especially screen reader users and users who cannot use a mouse or other pointing device. WAI-ARIA allows web pages (or portions of pages) to declare themselves as applications rather than as static documents, by adding role, property, and state information to dynamic web applications. ARIA is intended for use by developers of web applications, web browsers, assistive technologies, and accessibility evaluation tools. WAI-ARIA describes how to add semantics and other metadata to HTML content in order to make user interface controls and dynamic content more accessible. For example, with WAI-ARIA it is possible to identify a list of links as a navigation menu and to state whether it is expanded or collapsed. Although originally developed to address accessibility issues in HTML, the use of WAI-ARIA is not limited to HTML: in principle, it can also be used in other markup languages such as Scalable Vector Graphics (SVG). SVG 1.2 Tiny added support for WAI-ARIA in the 15 September 2008 working draft. The Web Accessibility Initiative has published an overview of WAI-ARIA that introduces the subject and guides readers to the WAI-ARIA Suite documents: Accessible Rich Internet Applications (WAI-ARIA) Version 1.0 (Draft) This is primarily aimed at developers of Web browsers, assistive technologies, and other user agents, in addition to developers of other technical specifications, and developers of accessibility evaluation tools. WAI-ARIA Primer This is a technical introduction to WAI-ARIA. It describes the problems WAI-ARIA tries to address, the underlying concepts, the technical approach and business reasons for adopting WAI-ARIA. WAI-ARIA Best Practices This document describes best practices for delivering rich internet applications with WAI-ARIA: it discusses subjects such as general steps for building accessible widgets, keyboard navigation, relationships, form properties, drag-and-drop support, alert and dialog boxes, reusable component libraries, and testing. Roadmap for Accessible Rich Internet Applications (WAI-ARIA Roadmap) Much of the content of this document has been moved into other documents. The ARIA specifications editors have included Lisa Seeman, Rich Schwerdtfeger, James Craig, Michael Cooper and Lisa Pappas.
  • WAI-ARIA Modèle:Lang est une spécification technique du Modèle:Lang en cours de rédaction. L'objectif est d'accroître l'accessibilité des contenus dynamiques et des composantes des interfaces dynamiques développées à l'aide d'Ajax, HTML, Javascript et technologies associées. Le HTML ne propose pas de fonctionnalité permettant de créer du contenu dynamique ni des interfaces de contrôle mais permet l'insertion d'applets (Flash, Java) et de scripts traités côté client (généralement Javascript). Les développeurs web utilisent de plus en plus le Javascript pour créer les interfaces de contrôle qu'ils ne peuvent créer à l'aide de HTML seul. Ils utilisent également ces scripts pour actualiser une partie de la page sans pour autant rechercher l'ensemble de la page depuis le serveur web. Ces techniques sont dites des applications internet « riches ». Ces interfaces et ces sections actualisées ne sont souvent pas accessibles aux utilisateurs souffrant de handicaps, notamment à ceux utilisant des lecteurs d'écran ou à ceux ne pouvant pas utiliser de souris ni d'équipement équivalent. ARIA décrit comment ajouter de la sémantique et des métadonnées aux contenus HTML afin de rendre les contrôles d'interface et les contenus dynamiques plus accessibles. Par exemple, il devient possible d'identifier une liste de liens en tant que menu de navigation et d'indiquer si son état est plié ou déplié. Quoique conçu pour traiter de l'accessibilité en HTML, l'utilisation de WAI-ARIA n'est pas nécessairement restreinte au HTML mais peut être étendue à d'autres langages comme Modèle:Lang (SVG). ARIA permet aux pages Web (ou à des parties de pages) de se déclarer comme des applications plutôt que comme de simples documents statiques, par l'ajout de rôles, de propriétés ou d'états d'information vers des applications web dynamiques. ARIA est destinée à être utilisée par les développeurs d'applications Web, les navigateurs web (ou agents utilisateurs), les technologies d'assistance, et les outils d'évaluation à l'accessibilité.
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rdfs:comment
  • WAI-ARIA ist eine rein semantische Erweiterung für HTML, die das Layout von Webseiten nicht verändert.
  • WAI-ARIA (Web Accessibility Initiative - Accessible Rich Internet Applications) è un insieme di documenti pubblicati dal W3C che specificano come aumentare l’accessibilità dei contenuti dinamici e dei componenti per l’interfaccia utente sviluppati con Ajax, HTML, JavaScript e altre tecnologie collegate. L’HTML non fornisce la possibilità di creare contenuti dinamici o controlli avanzati per l’interfaccia utente, ma consente l’inclusione di applet e script lato client (tipicamente JavaScript).
  • (Web Accessibility Initiative - Accessible Rich Internet Applications) is a draft technical specification published by the World Wide Web Consortium that specifies how to increase the accessibility of dynamic content and user interface components developed with Ajax, HTML, JavaScript and related technologies. Web developers increasingly use client-side scripts to create user interface controls that cannot be created with HTML alone.
  • WAI-ARIA Modèle:Lang est une spécification technique du Modèle:Lang en cours de rédaction. L'objectif est d'accroître l'accessibilité des contenus dynamiques et des composantes des interfaces dynamiques développées à l'aide d'Ajax, HTML, Javascript et technologies associées. Le HTML ne propose pas de fonctionnalité permettant de créer du contenu dynamique ni des interfaces de contrôle mais permet l'insertion d'applets (Flash, Java) et de scripts traités côté client (généralement Javascript).
rdfs:label
  • Accessible Rich Internet Applications
  • Accessible Rich Internet Applications
  • Wai-aria
  • WAI-ARIA
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