{
  "api": {
    "ExtendableMessageEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent",
        "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessageevent-interface",
        "support": {
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            "version_added": "51"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "17"
          },
          "firefox": {
            "version_added": "44"
          },
          "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": {
            "version_added": false
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "ExtendableMessageEvent": {
        "__compat": {
          "description": "<code>ExtendableMessageEvent()</code> constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/ExtendableMessageEvent",
          "spec_url": "https://w3c.github.io/ServiceWorker/#dom-extendablemessageevent-extendablemessageevent",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "data": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/data",
          "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessage-event-data",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "lastEventId": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/lastEventId",
          "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessage-event-lasteventid",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "origin": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/origin",
          "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessage-event-origin",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ports": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/ports",
          "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessage-event-ports",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "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": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "source": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ExtendableMessageEvent/source",
          "spec_url": "https://w3c.github.io/ServiceWorker/#extendablemessage-event-source",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "44"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}