General
PromptBeginner5 minmarkdown
'categories:accessibility': ['error'
{ minScore: ${lighthouse_score:90} / 100 }]
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General
PromptBeginner5 minmarkdown
import { axe
toHaveNoViolations } from 'jest-axe';
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General
PromptBeginner5 minmarkdown
| Heading | Level + text (Heading level 2
About us) |
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General
PromptBeginner5 minmarkdown
// - Announce via aria-live region
OR
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General
PromptBeginner5 minmarkdown
test('${component_name:component} is accessible'
async () => {
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General
PromptBeginner5 minmarkdown
[ ] Arrow keys navigate within widgets (tabs
menus
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General
PromptBeginner5 minmarkdown
+-- Property: What relationship? (aria-labelledby
aria-describedby)
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General
PromptBeginner5 minmarkdown
+-- State: What condition? (aria-expanded
aria-checked)
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General
PromptBeginner5 minmarkdown
+-- Role: What IS this element? (role=dialog
role=tab)
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General
PromptBeginner5 minmarkdown
| +-- YES: Use HTML (<button>
<nav>
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General
PromptBeginner5 minmarkdown
Tools: WebAIM Contrast Checker
browser DevTools
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General
PromptBeginner5 minmarkdown
Accessibility Testing Superpower
---
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General
PromptBeginner5 minmarkdown
| Critical | Blocks access entirely | No keyboard focus
empty buttons
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General
PromptBeginner5 minmarkdown
| Moderate | Difficult but usable | Inconsistent navigation
unclear error messages | Next release |
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General
PromptBeginner5 minmarkdown
| Serious | Major barriers | Poor contrast
missing form labels
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General
PromptBeginner5 minmarkdown
| Minor | Inconvenience | Redundant alt text
minor heading order issues | Backlog |
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General
PromptBeginner5 minmarkdown
where L1 = lighter luminance
L2 = darker luminance
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General
PromptBeginner5 minmarkdown
- Best practice
not requirement
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General
PromptBeginner5 minmarkdown
axe-core: 0 critical violations
0 serious violations
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General
PromptBeginner5 minmarkdown
1. Navigate entire page with Tab key
listening to announcements
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General
PromptBeginner5 minmarkdown
5. Test forms (F key
complete form submission)
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General
PromptBeginner5 minmarkdown
4. Test tables (T key
arrow keys within table)
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General
PromptBeginner5 minmarkdown
Radio: [label]
radio button
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General
PromptBeginner5 minmarkdown
Combobox: [label]
combobox
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