{
 "notes": "Mac OS X \"Full Keyboard Access\" refers to setting Keyboard→Shortcuts→Full Keyboard Access to \"All controls\" in the System Preferences.\r\n\r\n\"Unknown\" support for mobile browsers is due to lacking a method of tabbing through fields.",
 "support": {
  "Android Browser": "u 108",
  "Baidu Browser": "y 13.18",
  "Blackberry Browser": "u 10",
  "Chrome": "y 15",
  "Chrome for Android": "y 108",
  "Edge": "y 12",
  "Firefox": "y 4",
  "Firefox for Android": "y 107",
  "IE": "y 7",
  "IE Mobile": "u 11",
  "KaiOS Browser": "y 2.5",
  "Opera": "y 9.5",
  "Opera Mini": "u all",
  "Opera Mobile": "y 72",
  "QQ Browser": "y 13.1",
  "Safari": "y 5.1",
  "Safari on iOS": "y 3.2",
  "Samsung Internet": "u 19.0",
  "UC Browser for Android": "y 13.4"
 },
 "url": "https://html.spec.whatwg.org/multipage/interaction.html#attr-tabindex"
}