{
  "api": {
    "ServiceWorkerContainer": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer",
        "support": {
          "chrome": {
            "version_added": "40"
          },
          "chrome_android": {
            "version_added": "40"
          },
          "edge": [
            {
              "version_added": "17"
            },
            {
              "version_added": "16",
              "flags": [
                {
                  "type": "preference",
                  "name": "Enable service workers"
                }
              ]
            }
          ],
          "firefox": {
            "version_added": "44",
            "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
          },
          "firefox_android": {
            "version_added": "44"
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "27"
          },
          "opera_android": {
            "version_added": "27"
          },
          "safari": {
            "version_added": "11.1"
          },
          "safari_ios": {
            "version_added": "11.3"
          },
          "samsunginternet_android": {
            "version_added": "4.0"
          },
          "webview_android": {
            "version_added": "40"
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "controller": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/controller",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getRegistration": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/getRegistration",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getRegistrations": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/getRegistrations",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "message_event": {
        "__compat": {
          "description": "<code>message</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/message_event",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "oncontrollerchange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/oncontrollerchange",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onerror": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/onerror",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onmessage": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/onmessage",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onmessageerror": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/onmessageerror",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "17",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "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": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ready": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/ready",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "register": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/register",
          "support": {
            "chrome": {
              "version_added": "40"
            },
            "chrome_android": {
              "version_added": "40"
            },
            "edge": [
              {
                "version_added": "17"
              },
              {
                "version_added": "16",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Enable service workers"
                  }
                ]
              }
            ],
            "firefox": {
              "version_added": "44",
              "notes": "<a href='https://www.mozilla.org/en-US/firefox/organizations/'>Extended Support Releases (ESR)</a> before Firefox 78 ESR do not support service workers and the Push API."
            },
            "firefox_android": {
              "version_added": "44"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "27"
            },
            "opera_android": {
              "version_added": "27"
            },
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": {
              "version_added": "11.3"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "40"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "startMessages": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ServiceWorkerContainer/startMessages",
          "support": {
            "chrome": {
              "version_added": "74"
            },
            "chrome_android": {
              "version_added": "74"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "64"
            },
            "firefox_android": {
              "version_added": "64"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "62"
            },
            "opera_android": {
              "version_added": "50"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "11.0"
            },
            "webview_android": {
              "version_added": "74"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}