{
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 ],
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 "group": [
  "html"
 ],
 "kind": "feature",
 "name": "hidden=\"until-found\"",
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 ],
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    "baseline_low_date": "2025-12-12",
    "support": {
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     "chrome_android": "102",
     "edge": "102",
     "firefox": "139",
     "firefox_android": "139",
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     "safari_ios": "26.2"
    }
   },
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     "chrome_android": "102",
     "edge": "102",
     "firefox": "148",
     "firefox_android": "148"
    }
   }
  },
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   "chrome_android": "102",
   "edge": "102",
   "firefox": "148",
   "firefox_android": "148"
  }
 },
 "id": "hidden-until-found",
 "groups": [
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 ],
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   "shortname": "html",
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    "title": "HTML",
    "shortTitle": "HTML",
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    "status": "Living Standard",
    "sourcePath": "source",
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     "https://html.spec.whatwg.org/multipage/semantics.html",
     "https://html.spec.whatwg.org/multipage/sections.html",
     "https://html.spec.whatwg.org/multipage/grouping-content.html",
     "https://html.spec.whatwg.org/multipage/text-level-semantics.html",
     "https://html.spec.whatwg.org/multipage/links.html",
     "https://html.spec.whatwg.org/multipage/edits.html",
     "https://html.spec.whatwg.org/multipage/embedded-content.html",
     "https://html.spec.whatwg.org/multipage/images.html",
     "https://html.spec.whatwg.org/multipage/iframe-embed-object.html",
     "https://html.spec.whatwg.org/multipage/media.html",
     "https://html.spec.whatwg.org/multipage/image-maps.html",
     "https://html.spec.whatwg.org/multipage/embedded-content-other.html",
     "https://html.spec.whatwg.org/multipage/tables.html",
     "https://html.spec.whatwg.org/multipage/forms.html",
     "https://html.spec.whatwg.org/multipage/input.html",
     "https://html.spec.whatwg.org/multipage/form-elements.html",
     "https://html.spec.whatwg.org/multipage/form-control-infrastructure.html",
     "https://html.spec.whatwg.org/multipage/interactive-elements.html",
     "https://html.spec.whatwg.org/multipage/scripting.html",
     "https://html.spec.whatwg.org/multipage/canvas.html",
     "https://html.spec.whatwg.org/multipage/custom-elements.html",
     "https://html.spec.whatwg.org/multipage/semantics-other.html",
     "https://html.spec.whatwg.org/multipage/microdata.html",
     "https://html.spec.whatwg.org/multipage/interaction.html",
     "https://html.spec.whatwg.org/multipage/dnd.html",
     "https://html.spec.whatwg.org/multipage/popover.html",
     "https://html.spec.whatwg.org/multipage/browsers.html",
     "https://html.spec.whatwg.org/multipage/nav-history-apis.html",
     "https://html.spec.whatwg.org/multipage/document-sequences.html",
     "https://html.spec.whatwg.org/multipage/browsing-the-web.html",
     "https://html.spec.whatwg.org/multipage/document-lifecycle.html",
     "https://html.spec.whatwg.org/multipage/speculative-loading.html",
     "https://html.spec.whatwg.org/multipage/webappapis.html",
     "https://html.spec.whatwg.org/multipage/dynamic-markup-insertion.html",
     "https://html.spec.whatwg.org/multipage/timers-and-user-prompts.html",
     "https://html.spec.whatwg.org/multipage/system-state.html",
     "https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html",
     "https://html.spec.whatwg.org/multipage/comms.html",
     "https://html.spec.whatwg.org/multipage/server-sent-events.html",
     "https://html.spec.whatwg.org/multipage/web-messaging.html",
     "https://html.spec.whatwg.org/multipage/workers.html",
     "https://html.spec.whatwg.org/multipage/worklets.html",
     "https://html.spec.whatwg.org/multipage/webstorage.html",
     "https://html.spec.whatwg.org/multipage/syntax.html",
     "https://html.spec.whatwg.org/multipage/parsing.html",
     "https://html.spec.whatwg.org/multipage/named-characters.html",
     "https://html.spec.whatwg.org/multipage/xhtml.html",
     "https://html.spec.whatwg.org/multipage/rendering.html",
     "https://html.spec.whatwg.org/multipage/obsolete.html",
     "https://html.spec.whatwg.org/multipage/iana.html",
     "https://html.spec.whatwg.org/multipage/indices.html",
     "https://html.spec.whatwg.org/multipage/references.html",
     "https://html.spec.whatwg.org/multipage/acknowledgements.html"
    ],
    "filename": "index.html"
   },
   "organization": "WHATWG",
   "groups": [
    {
     "name": "HTML Workstream",
     "url": "https://html.spec.whatwg.org/multipage/"
    }
   ],
   "title": "HTML",
   "source": "whatwg",
   "shortTitle": "HTML",
   "categories": [
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   ],
   "standing": "good",
   "tests": {
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     "workers",
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    "excludePaths": [
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     "html/dom/partial-updates/tentative",
     "html/cross-origin-embedder-policy/credentialless"
    ]
   },
   "fragment": "attr-hidden-until-found"
  }
 ],
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  {
   "slug": "Web/HTML/Reference/Global_attributes/hidden",
   "title": "HTML hidden global attribute",
   "anchor": null,
   "url": "https://developer.mozilla.org/docs/Web/HTML/Reference/Global_attributes/hidden"
  }
 ],
 "standardPositions": [
  {
   "vendor": "mozilla",
   "url": "https://github.com/mozilla/standards-positions/issues/612",
   "position": "positive",
   "concerns": []
  },
  {
   "vendor": "apple",
   "url": "https://github.com/WebKit/standards-positions/issues/246",
   "position": "support",
   "concerns": []
  }
 ],
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   "url": "https://2025.stateofhtml.com/en-US/features/#all_features",
   "question": "features",
   "subQuestion": "all_features",
   "path": "dataAPI.surveys.state_of_html.html2025.features.all_features.30.entity"
  },
  {
   "name": "State of HTML 2025",
   "url": "https://2025.stateofhtml.com/en-US/content/#content_features",
   "question": "content",
   "subQuestion": "content_features",
   "path": "dataAPI.surveys.state_of_html.html2025.content.content_features.4.entity"
  },
  {
   "name": "State of HTML 2025",
   "url": "https://2025.stateofhtml.com/en-US/_all_features/#all_features",
   "question": "_all_features",
   "subQuestion": "all_features",
   "path": "dataAPI.surveys.state_of_html.html2025._all_features.all_features.30.entity"
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 ],
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  "percentageOfPageLoad": 0.00134944,
  "url": "https://chromestatus.com/metrics/webfeature/timeline/popularity/86"
 },
 "interop": [],
 "wpt": {
  "url": "https://wpt.fyi/results?q=feature:hidden-until-found"
 },
 "developerSignals": {
  "url": "https://github.com/web-platform-dx/developer-signals/issues/170",
  "votes": 3
 },
 "bugs": {},
 "baselineLowDateAsObject": null,
 "baselineHighDateAsObject": null,
 "blockedOn": "Safari",
 "monthsBlocked": 2,
 "blockedSince": "February 2026"
}