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29 lines
1.0 KiB
Markdown
29 lines
1.0 KiB
Markdown
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# mouse-events-have-key-events
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Enforce onmouseover/onmouseout are accompanied by onfocus/onblur. Coding for the keyboard is important for users with physical disabilities who cannot use a mouse, AT compatibility, and screenreader users.
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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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<div onMouseOver={ () => void 0 } onFocus={ () => void 0 } />
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<div onMouseOut={ () => void 0 } onBlur={ () => void 0 } />
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<div onMouseOver={ () => void 0 } onFocus={ () => void 0 } {...otherProps} />
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<div onMouseOut={ () => void 0 } onBlur={ () => void 0 } {...otherProps} />
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```
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### Fail
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In example 3 and 4 below, even if otherProps contains onBlur and/or onFocus, this rule will still fail. Props should be passed down explicitly for rule to pass.
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```jsx
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<div onMouseOver={ () => void 0 } />
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<div onMouseOut={ () => void 0 } />
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<div onMouseOver={ () => void 0 } {...otherProps} />
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<div onMouseOut={ () => void 0 } {...otherProps} />
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```
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## Accessibility guidelines
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- [WCAG 2.1.1](https://www.w3.org/WAI/WCAG21/Understanding/keyboard)
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