What is the relationship between HTML 5 and ARIA?

ARIA html relationship
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What is the relationship between HTML 5 and ARIA?

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Simply put: they both enable new features for web authors — in an accessible way. HTML 5 will be a great solution when it’s available across the board. However, HTML 5 will not be completely available for common usage for many years. ARIA enhances the use of JavaScript, which is already available. New, interesting widgets can be developed today using HTML 4.01 and JavaScript — and ARIA can already be used to describe accessibility for those widgets. Eventually HTML 5 will build in many of the most common use cases for ARIA — such as progress meters, directly into easy-to-use elements. HTML 5 will ultimately make common things much easier to do. However, the need for ARIA goes beyond the time that HTML 5 becomes a reality for authors. ARIA will be necessary for at least as long as authors want to develop their own widgets, until there is a ubiquitous cross-browser way to develop widgets (such as XBL).

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