zyuas.com/node_modules/caniuse-db/features-json/constraint-validation.json

{
  "title":"Constraint Validation API",
  "description":"API for better control over form field validation. Includes support for `checkValidity()`, `setCustomValidity()`, `reportValidity()` and validation states.",
  "spec":"https://html.spec.whatwg.org/dev/form-control-infrastructure.html#the-constraint-validation-api",
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    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/HTML5/Constraint_validation",
      "title":"MDN article on constraint validation"
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    {
      "url":"https://github.com/jelmerdemaat/report-validity",
      "title":"`reportValidity()` ponyfill"
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  "notes":"",
  "notes_by_num":{
    "1":"Does not support `reportValidity`",
    "2":"Does not support `validity.tooShort`. See also [support for `minlength`.](https://caniuse.com/#feat=input-minlength)",
    "3":"Does not support `validity.badInput`"
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}