WAI-ARIA: aria-live (Property)

WAI-ARIA: aria-live (Property)

Description Indicates that an element will be updated, and describes the types of updates the user agents, assistive technologies, and user can expect from the live region. The values of this attribute are expressed in degrees of importance. When regions are specified as polite, assistive technologies will notify users of updates but generally do not…

WAI-ARIA: aria-level (Property)

WAI-ARIA: aria-level (Property)

Description Defines the hierarchical level of an element within a structure. This can be applied inside trees to tree items, to headings inside a document, to nested grids, nested tablists and to other structural items that may appear inside a container or participate in an ownership hierarchy. The value for aria-level is an integer greater…

WAI-ARIA: aria-labelledby (Property)

WAI-ARIA: aria-labelledby (Property)

Description Identifies the element (or elements) that labels the current element. See related aria-describedby. The purpose of aria-labelledby is the same as that of aria-label. It provides the user with a recognizable name of the object. The most common accessibility API mapping for a label is the accessible name property. If the interface is such…

Understanding SC 1.4.1 Use of Color
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Understanding SC 1.4.1 Use of Color

1.4.1 Use of Color: Color is not used as the only visual means of conveying information, indicating an action, prompting a response, or distinguishing a visual element. (Level A) Note: This success criterion addresses color perception specifically. Other forms of perception are covered in Guideline 1.3 including programmatic access to color and other visual presentation…

WAI-ARIA: aria-valuenow (Property)

WAI-ARIA: aria-valuenow (Property)

Description Defines the current value for a range widget. See related aria-valuetext. This property is used, for example, on a range widget such as a slider or progress bar. If the current value is not known (for example, an indeterminate progress bar), the author SHOULD NOT set the aria-valuenow attribute. If the aria-valuenow attribute is…