Accessibility

The role attribute [<div role="document">]

Identifies responsibility of an element to screen readers. [C3, F3.6, S4, IE8, O9.6]

Referenced in Tip 14, Providing Navigation Hints with ARIA Roles

aria-live [<div aria-live="polite">]

Identifies a region that updates automatically, possibly by Ajax. [F3.6 (Windows), S4, IE8]

Referenced in Tip 15, Creating an Accessible Updatable Region

aria-atomic [<div aria-live="polite" aria-atomic="true">]

Identifies whether the entire contents of a live region should be read, or just the elements that changed should be read. [F3.6 (Windows), S4, IE8]

Referenced in Tip 15, Creating an Accessible Updatable Region

<scope> [<th scope="col">Time</th>]

Associates a table header with columns ...

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