{
  "api": {
    "PerformanceObserver": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver",
        "support": {
          "chrome": {
            "version_added": "52"
          },
          "chrome_android": {
            "version_added": "52"
          },
          "firefox": {
            "version_added": "57"
          },
          "firefox_android": {
            "version_added": "57"
          },
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": "39"
          },
          "opera_android": {
            "version_added": "39"
          },
          "safari": {
            "version_added": "11"
          },
          "safari_ios": {
            "version_added": "11"
          },
          "webview_android": {
            "version_added": true
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "worker_support": {
        "__compat": {
          "description": "Available in workers",
          "support": {
            "chrome": {
              "version_added": "62"
            },
            "chrome_android": {
              "version_added": "62"
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "49"
            },
            "opera_android": {
              "version_added": "49"
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": "62"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "PerformanceObserver": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/PerformanceObserver",
          "description": "<code>PerformanceObserver()</code> constructor",
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": {
              "version_added": "52"
            },
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": {
              "version_added": "57"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "39"
            },
            "opera_android": {
              "version_added": "39"
            },
            "safari": {
              "version_added": "11"
            },
            "safari_ios": {
              "version_added": "11"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "disconnect": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/disconnect",
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": {
              "version_added": "52"
            },
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": {
              "version_added": "57"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "39"
            },
            "opera_android": {
              "version_added": "39"
            },
            "safari": {
              "version_added": "11"
            },
            "safari_ios": {
              "version_added": "11"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "observe": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/observe",
          "support": {
            "chrome": {
              "version_added": "52"
            },
            "chrome_android": {
              "version_added": "52"
            },
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": {
              "version_added": "57"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "39"
            },
            "opera_android": {
              "version_added": "39"
            },
            "safari": {
              "version_added": "11"
            },
            "safari_ios": {
              "version_added": "11"
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "takeRecords": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/PerformanceObserver/takeRecords",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "firefox": {
              "version_added": "60"
            },
            "firefox_android": {
              "version_added": "60"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}