{
  "html": {
    "elements": {
      "details": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/HTML/Element/details",
          "support": {
            "chrome": {
              "version_added": "12"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "49",
              "notes": "Before Firefox 57, there was a bug meaning that <code>&lt;details&gt;</code> elements can't be made open by default using the <code>open</code> attribute if they have a CSS <code>animation</code> active on them."
            },
            "firefox_android": {
              "version_added": "49",
              "notes": "There is a bug meaning that <code>&lt;details&gt;</code> elements can't be made open by default using the <code>open</code> attribute if they have a CSS <code>animation</code> active on them."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6.1"
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "open": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "12"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "49"
              },
              "firefox_android": {
                "version_added": "49"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "6"
              },
              "safari_ios": {
                "version_added": "6.1"
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": "4"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}