{
 "notes": "See also support for [Mutation Observer](https://caniuse.com/#feat=mutationobserver), which replaces mutation events and does not have the same performance drawbacks.", 
 "support": {
  "Android Browser": "a 2.3", 
  "Baidu Browser": "a 7.12", 
  "Blackberry Browser": "a 7", 
  "Chrome": "a 15", 
  "Chrome for Android": "a 74", 
  "Edge": "a 12", 
  "Firefox": "a 6", 
  "Firefox for Android": "a 66", 
  "IE": "a 9", 
  "IE Mobile": "a 10", 
  "KaiOS Browser": "a 2.5", 
  "Opera": "a 15", 
  "Opera Mini": "n all", 
  "Opera Mobile": "a 46", 
  "QQ Browser": "a 1.2", 
  "Safari": "a 4", 
  "Samsung Internet": "a 4", 
  "UC Browser for Android": "a 11.8", 
  "iOS Safari": "a 4.2"
 }, 
 "url": "https://www.w3.org/TR/DOM-Level-3-Events/#legacy-mutationevent-events"
}