{
  "api": {
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      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement",
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            "version_added": "23"
          },
          "chrome_android": {
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          },
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          },
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              "notes": "Prior to Firefox 50, text tracks would only load if the <track> element is in a document."
            },
            {
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              "flags": [
                {
                  "type": "preference",
                  "name": "media.webvtt.enabled",
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                }
              ]
            }
          ],
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            {
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              "notes": "Prior to Firefox 50, text tracks would only load if the <track> element is in a document."
            },
            {
              "version_added": "24",
              "version_removed": "30",
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                {
                  "type": "preference",
                  "name": "media.webvtt.enabled",
                  "value_to_set": "true"
                }
              ]
            }
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          },
          "opera": {
            "version_added": "12"
          },
          "opera_android": {
            "version_added": "12"
          },
          "safari": {
            "version_added": true
          },
          "safari_ios": {
            "version_added": true
          },
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          },
          "webview_android": {
            "version_added": true
          }
        },
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          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/cuechange_event",
          "description": "<code>cuechange</code> event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "68"
            },
            "firefox_android": {
              "version_added": "68"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/default",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
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                "version_added": "31"
              },
              {
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                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
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              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "kind": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/kind",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
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              {
                "version_added": "31"
              },
              {
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                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
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              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "label": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/label",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readyState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/readyState",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "src": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/src",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "31",
                "notes": "Setting the <code>src</code> property did not work properly in versions prior to 50."
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "31",
                "notes": "Setting the <code>src</code> property did not work properly in versions prior to 50."
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "srclang": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/srclang",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
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              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
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              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "track": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLTrackElement/track",
          "support": {
            "chrome": {
              "version_added": "23"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "31"
              },
              {
                "version_added": "24",
                "version_removed": "30",
                "flags": [
                  {
                    "type": "preference",
                    "name": "media.webvtt.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "12"
            },
            "opera_android": {
              "version_added": "12"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}