{
 "notes": "",
 "support": {
  "Android Browser": "y 108",
  "Baidu Browser": "y 13.18",
  "Blackberry Browser": "n 10",
  "Chrome": "y 67",
  "Chrome for Android": "y 108",
  "Edge": "y 79",
  "Firefox": "y 63",
  "Firefox for Android": "y 107",
  "IE": "n 11",
  "IE Mobile": "n 11",
  "KaiOS Browser": "n 2.5",
  "Opera": "y 64",
  "Opera Mini": "n all",
  "Opera Mobile": "y 72",
  "QQ Browser": "y 13.1",
  "Safari": "a 10.1",
  "Safari on iOS": "a 10.3",
  "Samsung Internet": "y 6.2",
  "UC Browser for Android": "y 13.4"
 },
 "url": "https://html.spec.whatwg.org/multipage/scripting.html#custom-elements"
}