{
  "id": "F55",
  "rulePrefix": "F55",
  "variant": null,
  "ruleType": "w3c-failure",
  "scanScope": "specimen",
  "synthetic": false,
  "status": "current",
  "title": "Failure of Success Criteria 2.1.1, 2.4.7, 2.4.13, and 3.2.1 due to using script to remove focus when focus is received",
  "summary": "using script to remove focus when focus is received",
  "whyItFails": "This page reproduces the F55 failure pattern so auditors can verify detection against 2.1.1, 2.4.7, 2.4.13, 3.2.1.",
  "principles": [
    "operable",
    "understandable"
  ],
  "guidelines": [
    "2.1",
    "2.4",
    "3.2"
  ],
  "successCriteria": [
    {
      "id": "2.1.1",
      "name": "Keyboard",
      "level": "A",
      "slug": "keyboard"
    },
    {
      "id": "2.4.7",
      "name": "Focus Visible",
      "level": "AA",
      "slug": "focus-visible"
    },
    {
      "id": "2.4.13",
      "name": "Focus Appearance",
      "level": "AAA",
      "slug": "focus-appearance"
    },
    {
      "id": "3.2.1",
      "name": "On Focus",
      "level": "A",
      "slug": "on-focus"
    }
  ],
  "versions": [
    "2.0",
    "2.1",
    "2.2"
  ],
  "automatable": "yes",
  "requires": [
    "html",
    "css"
  ],
  "isolated": true,
  "pairWith": [],
  "w3c": {
    "understanding": [
      "https://www.w3.org/WAI/WCAG22/Understanding/keyboard",
      "https://www.w3.org/WAI/WCAG22/Understanding/focus-visible",
      "https://www.w3.org/WAI/WCAG22/Understanding/focus-appearance",
      "https://www.w3.org/WAI/WCAG22/Understanding/on-focus"
    ],
    "quickref": [
      "https://www.w3.org/WAI/WCAG22/quickref/#keyboard",
      "https://www.w3.org/WAI/WCAG22/quickref/#focus-visible",
      "https://www.w3.org/WAI/WCAG22/quickref/#focus-appearance",
      "https://www.w3.org/WAI/WCAG22/quickref/#on-focus"
    ],
    "technique": "https://www.w3.org/WAI/WCAG22/Techniques/failures/F55"
  },
  "specimen": {
    "html": "<a href=\"#f55-target\" class=\"f55-link\">Focus me</a>\n<p id=\"f55-target\">Target paragraph.</p>",
    "css": ".f55-link:focus { outline: 1px dotted #ccc; outline-offset: 0; }",
    "js": "",
    "assets": [],
    "demoHint": "Tab to the link — the focus indicator is too low-contrast to see clearly.",
    "demoAction": "document.querySelector('.f55-link')?.focus();"
  },
  "expectedFindings": [
    {
      "sc": "2.1.1",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 2.1.1."
    },
    {
      "sc": "2.4.7",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 2.4.7."
    },
    {
      "sc": "2.4.13",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 2.4.13."
    },
    {
      "sc": "3.2.1",
      "outcome": "fail",
      "note": "Specimen demonstrates failure of 3.2.1."
    }
  ],
  "mustNotFlag": [],
  "manualCheck": "Confirm the specimen demonstrates the documented F55 failure in isolation.",
  "generated": {
    "url": "https://wcagfail.patternd.io/specimens/F55/",
    "lastmod": "2026-10-08"
  }
}