Wai-aria design pattern

1. What is wai method?
2. When should we use WAI-ARIA roles?
3. Is WAI-ARIA required?
4. How does WAI-ARIA work?

What is wai method?

Web Accessibility Initiative (WAI™) is one of four domains of the World Wide Web Consortium (W3C®). W3C was created in 1994 to develop common protocols that promote the evolution of the World Wide Web and ensure its interoperability.

When should we use WAI-ARIA roles?

An ARIA role attribute can be added to an element to instruct assistive technologies to treat the element as something other than its native HTML element type. For example, an <a> element with role="button" will be treated as a button, not as a link.

Is WAI-ARIA required?

The WAI-ARIA aria-required property indicates that user input is required before submission. The aria-required property can have values of "true" or "false". For example, if a user must fill in an address field, then aria-required is set to "true".

How does WAI-ARIA work?

WAI-ARIA (Web Accessibility Initiative - Accessible Rich Internet Applications) is a specification written by the W3C, defining a set of additional HTML attributes that can be applied to elements to provide additional semantics and improve accessibility wherever it is lacking.