• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
Digital A11Y

Digital A11Y

Your Accessibility Partner

  • About
  • Articles
  • WAI-ARIA
  • WCAG
  • Resources
    • Cheat Sheets
    • A11Y Blogs
    • A11Y Toolkit
  • Contact

WAI-ARIA: aria-invalid (State)

Description

Indicates the entered value does not conform to the format expected by the application. See related aria-errormessage.

If the value is computed to be invalid or out-of-range, the application author SHOULD set this attribute to true. User agents SHOULD inform the user of the error. Application authors SHOULD provide suggestions for corrections if they are known.

When the user attempts to submit data involving a field for which aria-required is true, authors MAY use the aria-invalid attribute to signal there is an error. However, if the user has not attempted to submit the form, authors SHOULD NOT set the aria-invalid attribute on required widgets simply because the user has not yet entered data.

For future expansion, the aria-invalid attribute is an enumerated type. Any value not recognized in the list of allowed values MUST be treated by user agents as if the value true had been provided. If the attribute is not present, or its value is false, or its value is an empty string, the default value of false applies.

Example

Example coming soon

Characteristics

Used in Roles

  • All elements of the base markup

Value

  • token
    • One of a limited set of allowed values. An explicit value of undefined for this type is the equivalent of providing no value

  • grammar
    • A grammatical error was detected.
  • false (default)
    • There are no detected errors in the value.
  • spelling
    • A spelling error was detected.
  • true
    • The value entered by the user has failed validation.

Semantic HTML

No HTML element equivalent.

Reference

W3C (opens new window)

Share A11Y Love

  • Twitter
  • LinkedIn
  • Facebook
  • Reddit

Primary Sidebar

Get Digital A11Y in Your Inbox

Recent A11Y Articles

  • Understanding SC 4.1.3 Status messages
  • Understanding SC 2.5.4 Motion Actuation
  • Understanding SC 2.5.3 Label in Name
  • Knowbility looking for mentors in its Accessible Internet Rally
  • Understanding SC 2.5.2 Pointer Cancellation

Recent Comments

  • Al on Understanding SC 4.1.2 Name, Role, Value
  • Randy on Screen Readers & Browsers! Which is the Best Combination for Accessibility Testing?
  • Raghavendra Satish Peri on Screen Readers & Browsers! Which is the Best Combination for Accessibility Testing?
  • Raghavendra Satish Peri on Understanding SC 1.4.12 Text Spacing
  • Raghavendra Satish Peri on Understanding SC 4.1.2 Name, Role, Value

A11Y Categories

  • Design
  • Events
  • HTML
  • IOS
  • Mobile Accessibility
  • News
  • Tools
  • Uncategorized
  • WAI-ARIA
  • WCAG
  • Web Accessibility

  • Privacy Policy
  • Sitemap
© 2021 Digital A11Y