{
  "api": {
    "TransitionEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/TransitionEvent",
        "spec_url": "https://drafts.csswg.org/css-transitions/#interface-transitionevent",
        "tags": [
          "web-features:transitions"
        ],
        "support": {
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              "version_added": "27"
            },
            {
              "prefix": "WebKit",
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              "version_removed": "71"
            }
          ],
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "4"
          },
          "firefox_android": "mirror",
          "ie": {
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          },
          "oculus": "mirror",
          "opera": {
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          },
          "opera_android": {
            "version_added": "≤12.1"
          },
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            },
            {
              "prefix": "WebKit",
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            }
          ],
          "safari_ios": [
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              "version_added": "7"
            },
            {
              "prefix": "WebKit",
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            }
          ],
          "samsunginternet_android": [
            {
              "version_added": "2.0"
            },
            {
              "prefix": "WebKit",
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              "version_removed": "10.0"
            }
          ],
          "webview_android": [
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              "version_added": "4.4"
            },
            {
              "prefix": "WebKit",
              "version_added": "≤37",
              "version_removed": "71"
            }
          ],
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "TransitionEvent": {
        "__compat": {
          "description": "`TransitionEvent()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/TransitionEvent/TransitionEvent",
          "spec_url": "https://drafts.csswg.org/css-transitions/#dom-transitionevent-transitionevent",
          "tags": [
            "web-features:transitions"
          ],
          "support": {
            "chrome": {
              "version_added": "27"
            },
            "chrome_android": "mirror",
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              "version_added": "14"
            },
            "firefox": {
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            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": [
              {
                "version_added": "7"
              },
              {
                "prefix": "WebKit",
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              }
            ],
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "2.0"
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "elapsedTime": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/TransitionEvent/elapsedTime",
          "spec_url": "https://drafts.csswg.org/css-transitions/#Events-TransitionEvent-elapsedTime",
          "tags": [
            "web-features:transitions"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": "mirror",
            "edge": {
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            },
            "firefox": {
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            },
            "firefox_android": "mirror",
            "ie": {
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            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
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            },
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "propertyName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/TransitionEvent/propertyName",
          "spec_url": "https://drafts.csswg.org/css-transitions/#Events-TransitionEvent-propertyName",
          "tags": [
            "web-features:transitions"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": "mirror",
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              "version_added": "12"
            },
            "firefox": {
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            },
            "firefox_android": "mirror",
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            },
            "oculus": "mirror",
            "opera": {
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            },
            "opera_android": {
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            },
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "pseudoElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/TransitionEvent/pseudoElement",
          "spec_url": "https://drafts.csswg.org/css-transitions/#Events-TransitionEvent-pseudoElement",
          "tags": [
            "web-features:transitions"
          ],
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "23"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}