{
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              "version_added": true
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                "version_added": null
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                "version_added": null
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                "version_added": null
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                "version_added": null
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                "version_added": null
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                "version_added": null
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            "opera": {
              "version_added": true
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              "version_added": null
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              "version_added": null
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              "version_added": true
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            "chrome": {
              "version_added": null
            },
            "chrome_android": {
              "version_added": null
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              "version_added": null
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              "version_added": null
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            "firefox": {
              "version_added": null
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            "firefox_android": {
              "version_added": null
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              "version_added": null
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            "opera": {
              "version_added": null
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            "opera_android": {
              "version_added": null
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              "version_added": null
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              "version_added": null
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              "version_added": null
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              "version_added": true
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              "version_added": null
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              "version_added": true
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            "firefox": {
              "version_added": true
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              "version_added": null
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            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
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            "opera_android": {
              "version_added": null
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            "safari": {
              "version_added": true
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              "version_added": null
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              "version_added": null
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          },
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            "experimental": false,
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        }
      },
      "isComposing": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/isComposing",
          "support": {
            "webview_android": {
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            },
            "chrome": {
              "version_added": "56"
            },
            "chrome_android": {
              "version_added": "56"
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            "edge": {
              "version_added": null
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              "version_added": null
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            "firefox": {
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            "firefox_android": {
              "version_added": "31"
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            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "43"
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            "opera_android": {
              "version_added": "43"
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            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "key": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/key",
          "support": {
            "webview_android": {
              "version_added": "51"
            },
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "23"
            },
            "firefox_android": {
              "version_added": "23"
            },
            "ie": {
              "version_added": "9",
              "notes": "IE's impementation does not completely match the current spec because it is based on an older version of the spec."
            },
            "opera": {
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              "version_added": "38"
            },
            "safari": {
              "version_added": true
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              "version_added": true
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            "standard_track": true,
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        },
        "non_printable_keys": {
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            "description": "Non-printable keys",
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                "version_added": "51"
              },
              "chrome": {
                "version_added": "51"
              },
              "chrome_android": {
                "version_added": "51"
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "23"
              },
              "firefox_android": {
                "version_added": "23"
              },
              "ie": {
                "version_added": "9",
                "notes": "IE's impementation does not completely match the current spec because it is based on an older version of the spec."
              },
              "opera": {
                "version_added": "38"
              },
              "opera_android": {
                "version_added": "38"
              },
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                "version_added": null
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                "version_added": null
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                "version_added": null
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              "standard_track": true,
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              "chrome": {
                "version_added": "51"
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              "chrome_android": {
                "version_added": "51"
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              "edge": {
                "version_added": null
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                "version_added": null
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              "firefox_android": {
                "version_added": "29"
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                "version_added": "9",
                "notes": "IE's impementation does not completely match the current spec because it is based on an older version of the spec."
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              "opera": {
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              "opera_android": {
                "version_added": "38"
              },
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                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": null
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "dead_key": {
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            "description": "Dead key",
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              "webview_android": {
                "version_added": "51"
              },
              "chrome": {
                "version_added": "51"
              },
              "chrome_android": {
                "version_added": "51"
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              "edge": {
                "version_added": null
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                "version_added": null
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              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
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                "version_added": false
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              "opera": {
                "version_added": "38"
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              "opera_android": {
                "version_added": "38"
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                "version_added": null
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                "version_added": null
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                "version_added": null
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/keyCode",
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              "version_added": null
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            "chrome": {
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            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
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              "version_added": "26",
              "version_removed": "54"
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              "version_added": "26",
              "version_removed": "54"
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            },
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              "version_added": null
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "15",
              "version_removed": "41"
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            "opera_android": {
              "version_added": true,
              "version_removed": "41"
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            "safari": {
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            "safari_ios": {
              "version_added": "5.1"
            },
            "samsunginternet_android": {
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            "standard_track": false,
            "deprecated": true
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        }
      },
      "location": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/location",
          "support": {
            "webview_android": {
              "version_added": null
            },
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": true
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            "edge_mobile": {
              "version_added": true
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            "firefox": {
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              "version_added": "9"
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            "opera": {
              "version_added": true
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              "version_added": null
            },
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            "safari_ios": {
              "version_added": "8"
            },
            "samsunginternet_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "metaKey": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/metaKey",
          "support": {
            "webview_android": {
              "version_added": null
            },
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": null
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            "ie": {
              "version_added": true
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            "opera": {
              "version_added": true
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            "opera_android": {
              "version_added": null
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            "safari": {
              "version_added": true
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            "safari_ios": {
              "version_added": null
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            "samsunginternet_android": {
              "version_added": null
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "repeat": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/repeat",
          "support": {
            "webview_android": {
              "version_added": null
            },
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": "28"
            },
            "firefox_android": {
              "version_added": "28"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
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            "samsunginternet_android": {
              "version_added": null
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "shiftKey": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/shiftKey",
          "support": {
            "webview_android": {
              "version_added": null
            },
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
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            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "which": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/which",
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            "webview_android": {
              "version_added": true
            },
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
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            "edge_mobile": {
              "version_added": true
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            "firefox": {
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            "firefox_android": {
              "version_added": true,
              "notes": "Firefox also implements this property on the <code>UIEvent</code> interface."
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              "version_added": null
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      },
      "getModifierState": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/KeyboardEvent/getModifierState",
          "support": {
            "webview_android": {
              "version_added": "31"
            },
            "chrome": {
              "version_added": "31"
            },
            "chrome_android": {
              "version_added": "31"
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            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
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            "firefox_android": {
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            "opera": {
              "version_added": false
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            "opera_android": {
              "version_added": false
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              "version_added": false
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          "status": {
            "experimental": false,
            "standard_track": true,
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        },
        "accel_support": {
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