luhn-generator
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A generator of numbers that passes the validation of Luhn algorithm or Luhn formula, also known as the 'modulus 10' or 'mod 10' algorithm
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JSON
{
"id": "header-present",
"evaluate": "has-descendant-evaluate",
"after": "has-descendant-after",
"options": {
"selector": "h1:not([role]), h2:not([role]), h3:not([role]), h4:not([role]), h5:not([role]), h6:not([role]), [role=heading]"
},
"metadata": {
"impact": "serious",
"messages": {
"pass": "Page has a heading",
"fail": "Page does not have a heading"
}
}
}