What is an aria property?
Accessible Rich Internet Applications ( ARIA ) is a set of roles and attributes that define ways to make web content and web applications (especially those developed with JavaScript) more accessible to people with disabilities.
What is an aria role state or property?
ARIA Roles, States & Properties. ARIA (Assistive Rich Internet Applications), is a spec from the World Wide Web Consortium (W3C) that was created to improve accessibility of web pages and applications by providing extra information to screen readers via HTML attributes.
How do you use aria landmarks?
To create a landmark role, define the purpose of the content by using a semantic element such as , , or , or adding an ARIA role that is a subclass of the landmark role such as role=”banner” , role=”complementary” , or role=”region” . Do not use role=”landmark” .
What is the difference between role and aria role?
The document role is for focusable content within complex composite widgets or applications for which assistive technologies can switch reading context back to a reading mode. ARIA document-structure roles are used to provide a structural description for a section of content.
What are page landmarks?
Landmark roles (or “landmarks”) programmatically identify sections of a page. Landmarks help assistive technology (AT) users orient themselves to a page and help them navigate easily to various sections of a page.
What is aria expanded?
The aria-expanded attribute is simply a flag for the user agent. It. Indicates whether the element, or another grouping element it controls, is currently expanded or collapsed. where that indication is for the element’s contents, or if aria-controls is also specified, for the target element.
When should we use an aria attribute?
ARIA attributes can be used to make unsemantic HTML more accessible to screen reader users. For example, a developer who is struggling to style a native checkbox across multiple browsers might decide to use a div and some JavaScript to emulate one.
What is aria landmark roles?
A landmark is an important subsection of a page. The landmark role is an abstract superclass for the aria role values for sections of content that are important enough that users will likely want to be able to navigate directly to them. Note: The landmark role is an abstract role.
Why do we need aria controls?
The aria-controls attribute creates a cause and effect relationship. It identifies the element(s) that are controlled by the current element, when that relationship isn’t represented in the DOM. For example a button that controls the display of information contained within a div : Code language.
Is aria-expanded required?
When the menu is hidden, aria-expanded can be omitted. If specified when the menu is hidden, it should be set as aria-expanded=”false” .
What elements can have aria-expanded?
This attribute can be used with elements of the following roles: alert, alertdialog, application, article, banner, button, columnheader, combobox, complementary, contentinfo, definition, dialog, directory, document, form, grid, gridcell, group, heading, img, link, list, listbox, listitem, log, main, marquee, math, menu …
How do you use the hidden aria?
The aria-hidden attribute can be used to hide non-interactive content from the accessibility API….aria-hidden=”true” should not be added when:
- The HTML hidden attribute is present.
- The element or the element’s ancestor is hidden with display: none.
- The element or the element’s ancestor is hidden with visibility: hidden.
When should you use aria?
What does aria-expanded mean?