{
 "notes": "Partial support refers to being able to use `data-*` attributes and access them using `getAttribute`. \r\n\r\n\"Supported\" refers to accessing the values using the `dataset` property. Current spec only refers to support on HTML elements, only some browsers also have support for SVG/MathML elements.", 
 "support": {
  "Android Browser": "y 3", 
  "Baidu Browser": "y 7.12", 
  "Blackberry Browser": "y 7", 
  "Chrome": "y 7", 
  "Chrome for Android": "y 74", 
  "Edge": "y 12", 
  "Firefox": "y 6", 
  "Firefox for Android": "y 66", 
  "IE": "y 11", 
  "IE Mobile": "y 11", 
  "KaiOS Browser": "y 2.5", 
  "Opera": "y 11.1", 
  "Opera Mini": "a all", 
  "Opera Mobile": "y 11.1", 
  "QQ Browser": "y 1.2", 
  "Safari": "y 5.1", 
  "Samsung Internet": "y 4", 
  "UC Browser for Android": "y 11.8", 
  "iOS Safari": "y 5.0"
 }, 
 "url": "https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes"
}