{
  "api": {
    "UIEvent": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent",
        "spec_url": "https://w3c.github.io/uievents/#idl-uievent",
        "support": {
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "9"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
            "version_added": "1"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "UIEvent": {
        "__compat": {
          "description": "`UIEvent()` constructor",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/UIEvent",
          "spec_url": "https://w3c.github.io/uievents/#dom-uievent-uievent",
          "support": {
            "chrome": {
              "version_added": "26"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "11"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "7"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "detail": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/detail",
          "spec_url": "https://w3c.github.io/uievents/#dom-uievent-detail",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9",
              "partial_implementation": true,
              "notes": "Always `0` on `click` and `dblclick` events. On `mousedown` and `mouseup` events, the count is not unique to the element, but is rather the global click count for the current document -- even across refreshes."
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "initUIEvent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/initUIEvent",
          "spec_url": "https://w3c.github.io/uievents/#dom-uievent-inituievent",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "sourceCapabilities": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/sourceCapabilities",
          "spec_url": "https://wicg.github.io/input-device-capabilities/#dom-uievent-sourcecapabilities",
          "support": {
            "chrome": {
              "version_added": "47"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "view": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/view",
          "spec_url": "https://w3c.github.io/uievents/#dom-uievent-view",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "which": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/UIEvent/which",
          "spec_url": "https://w3c.github.io/uievents/#dom-uievent-which",
          "support": {
            "chrome": {
              "version_added": "1",
              "notes": "When selecting an autocomplete suggestion, a `keydown` event fires where the event's `which` property is `undefined`. See [bug 41425904](https://crbug.com/41425904)."
            },
            "chrome_android": "mirror",
            "edge": [
              {
                "version_added": "79"
              },
              {
                "version_added": "12",
                "version_removed": "79",
                "partial_implementation": true,
                "notes": "Only supported for [`KeyboardEvent`](https://developer.mozilla.org/docs/Web/API/KeyboardEvent) and [`MouseEvent`](https://developer.mozilla.org/docs/Web/API/MouseEvent), not all `UIEvent` objects."
              }
            ],
            "firefox": {
              "version_added": "1",
              "notes": "On `mousemove` events, the `which` property is incorrectly always set to `1`."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9",
              "partial_implementation": true,
              "notes": "Only supported for [`KeyboardEvent`](https://developer.mozilla.org/docs/Web/API/KeyboardEvent) and [`MouseEvent`](https://developer.mozilla.org/docs/Web/API/MouseEvent), not all `UIEvent` objects."
            },
            "oculus": "mirror",
            "opera": [
              {
                "version_added": "15"
              },
              {
                "version_added": "≤12.1",
                "version_removed": "15",
                "partial_implementation": true,
                "notes": "Only supported for [`KeyboardEvent`](https://developer.mozilla.org/docs/Web/API/KeyboardEvent) and [`MouseEvent`](https://developer.mozilla.org/docs/Web/API/MouseEvent), not all `UIEvent` objects."
              }
            ],
            "opera_android": [
              {
                "version_added": "14"
              },
              {
                "version_added": "≤12.1",
                "version_removed": "14",
                "partial_implementation": true,
                "notes": "Only supported for [`KeyboardEvent`](https://developer.mozilla.org/docs/Web/API/KeyboardEvent) and [`MouseEvent`](https://developer.mozilla.org/docs/Web/API/MouseEvent), not all `UIEvent` objects."
              }
            ],
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      }
    }
  }
}