flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
33 lines
849 B
Markdown
33 lines
849 B
Markdown
# jsx-a11y/tabindex-no-positive
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💼 This rule is enabled in the following configs: ☑️ `recommended`, 🔒 `strict`.
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<!-- end auto-generated rule header -->
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Avoid positive `tabIndex` property values to synchronize the flow of the page with keyboard tab order.
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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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<span tabIndex="0">foo</span>
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<span tabIndex="-1">bar</span>
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<span tabIndex={0}>baz</span>
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```
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### Fail
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```jsx
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<span tabIndex="5">foo</span>
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<span tabIndex="3">bar</span>
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<span tabIndex="1">baz</span>
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<span tabIndex="2">never really sure what goes after baz</span>
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```
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## Accessibility guidelines
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- [WCAG 2.4.3](https://www.w3.org/WAI/WCAG21/Understanding/focus-order)
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### Resources
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- [Chrome Audit Rules, AX_FOCUS_03](https://github.com/GoogleChrome/accessibility-developer-tools/wiki/Audit-Rules#ax_focus_03)
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