zyuas.com/node_modules/caniuse-db/features-json/dataset.json

{
  "title":"dataset & data-* attributes",
  "description":"Method of applying and accessing custom data to elements.",
  "spec":"https://html.spec.whatwg.org/multipage/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes",
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  "links":[
    {
      "url":"https://html5doctor.com/html5-custom-data-attributes/",
      "title":"HTML5 Doctor article"
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    {
      "url":"https://html5demos.com/dataset",
      "title":"Demo using dataset"
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    {
      "url":"https://raw.github.com/phiggins42/has.js/master/detect/dom.js#dom-dataset",
      "title":"has.js test"
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    {
      "url":"https://webplatform.github.io/docs/html/attributes/data-*",
      "title":"WebPlatform Docs"
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    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement.dataset",
      "title":"MDN Web Docs - dataset"
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    {
      "url":"https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Using_data_attributes",
      "title":"MDN Guide - Using data-* attributes"
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  "bugs":[
    {
      "description":"Android 2.3 cannot read `data-*` properties from `select` elements.\r\n"
    },
    {
      "description":"Safari 10 and below can return `undefined` on properties of `dataset` in some cases. ([See bug](https://bugs.webkit.org/show_bug.cgi?id=161454)).\r\n"
    }
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  "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.",
  "notes_by_num":{
    "1":"While the HTML spec doesn't require it, these browsers also support `dataset` and `data-*` attributes on SVG elements, in compliance with [current plans for SVG2](https://www.w3.org/2015/01/15-svg-minutes.html#item03)"
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}