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32 lines
1.4 KiB
Markdown
32 lines
1.4 KiB
Markdown
# role-supports-aria-props
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Enforce that elements with explicit or implicit roles defined contain only `aria-*` properties supported by that `role`. Many ARIA attributes (states and properties) can only be used on elements with particular roles. Some elements have implicit roles, such as `<a href="#" />`, which will resolve to `role="link"`.
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#### References
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1. [AX_ARIA_10](https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#ax_aria_10)
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2. [Supported States & Properties](https://www.w3.org/TR/wai-aria/roles#supportedState)
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## Rule details
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This rule takes no arguments.
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### Succeed
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```jsx
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<!-- Good: the radiogroup role does support the aria-required property -->
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<ul role="radiogroup" aria-required aria-labelledby="foo">
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<li tabIndex="-1" role="radio" aria-checked="false">Rainbow Trout</li>
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<li tabIndex="-1" role="radio" aria-checked="false">Brook Trout</li>
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<li tabIndex="0" role="radio" aria-checked="true">Lake Trout</li>
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</ul>
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```
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### Fail
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```jsx
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<!-- Bad: the radio role does not support the aria-required property -->
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<ul role="radiogroup" aria-labelledby="foo">
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<li aria-required tabIndex="-1" role="radio" aria-checked="false">Rainbow Trout</li>
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<li aria-required tabIndex="-1" role="radio" aria-checked="false">Brook Trout</li>
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<li aria-required tabIndex="0" role="radio" aria-checked="true">Lake Trout</li>
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</ul>
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``` |