{
  "javascript": {
    "builtins": {
      "Intl": {
        "DateTimeFormat": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat",
            "spec_url": "https://tc39.es/ecma402/#datetimeformat-objects",
            "support": {
              "chrome": {
                "version_added": "24"
              },
              "chrome_android": {
                "version_added": "25"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "29"
              },
              "firefox_android": {
                "version_added": "56"
              },
              "ie": {
                "version_added": "11"
              },
              "nodejs": {
                "version_added": "0.12",
                "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "10"
              },
              "safari_ios": {
                "version_added": "10"
              },
              "samsunginternet_android": {
                "version_added": "1.5"
              },
              "webview_android": {
                "version_added": "4.4"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "DateTimeFormat": {
            "__compat": {
              "description": "<code>DateTimeFormat()</code> constructor",
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat",
              "spec_url": "https://tc39.es/ecma402/#sec-intl-datetimeformat-constructor",
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "25"
                },
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "29"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": "11"
                },
                "nodejs": [
                  {
                    "version_added": "13.0.0"
                  },
                  {
                    "version_added": "0.12",
                    "partial_implementation": true,
                    "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. When other locales are specified, the <code>DateTimeFormat</code> instance silently falls back to <code>en-US</code>. To make full ICU (locale) data available for versions prior to 13, see <a href='https://nodejs.org/docs/latest/api/intl.html#intl_options_for_building_node_js'>Node.js documentation on the <code>--with-intl</code> option</a> and how to provide the data."
                  }
                ],
                "opera": {
                  "version_added": "15"
                },
                "opera_android": {
                  "version_added": "14"
                },
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": {
                  "version_added": "10"
                },
                "samsunginternet_android": {
                  "version_added": "1.5"
                },
                "webview_android": {
                  "version_added": "4.4"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            },
            "dateStyle": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "76"
                  },
                  "chrome_android": {
                    "version_added": "76"
                  },
                  "edge": {
                    "version_added": false
                  },
                  "firefox": {
                    "version_added": "79"
                  },
                  "firefox_android": {
                    "version_added": "79"
                  },
                  "ie": {
                    "version_added": false
                  },
                  "nodejs": {
                    "version_added": "12.9.0"
                  },
                  "opera": {
                    "version_added": "63"
                  },
                  "opera_android": {
                    "version_added": "54"
                  },
                  "safari": {
                    "version_added": false
                  },
                  "safari_ios": {
                    "version_added": false
                  },
                  "samsunginternet_android": {
                    "version_added": false
                  },
                  "webview_android": {
                    "version_added": "76"
                  }
                },
                "status": {
                  "experimental": false,
                  "standard_track": true,
                  "deprecated": false
                }
              }
            },
            "hourCycle": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "73"
                  },
                  "chrome_android": {
                    "version_added": "73"
                  },
                  "edge": {
                    "version_added": "18"
                  },
                  "firefox": {
                    "version_added": "58"
                  },
                  "firefox_android": {
                    "version_added": "58"
                  },
                  "ie": {
                    "version_added": false
                  },
                  "nodejs": {
                    "version_added": "12.0.0"
                  },
                  "opera": {
                    "version_added": "60"
                  },
                  "opera_android": {
                    "version_added": "52"
                  },
                  "safari": {
                    "version_added": "13"
                  },
                  "safari_ios": {
                    "version_added": "13"
                  },
                  "samsunginternet_android": {
                    "version_added": false
                  },
                  "webview_android": {
                    "version_added": "73"
                  }
                },
                "status": {
                  "experimental": false,
                  "standard_track": true,
                  "deprecated": false
                }
              }
            },
            "iana_time_zone_names": {
              "__compat": {
                "description": "IANA time zone names in <code>timeZone</code> option",
                "support": {
                  "chrome": {
                    "version_added": "24"
                  },
                  "chrome_android": {
                    "version_added": "25"
                  },
                  "edge": {
                    "version_added": "14"
                  },
                  "firefox": {
                    "version_added": "52"
                  },
                  "firefox_android": {
                    "version_added": "56"
                  },
                  "ie": {
                    "version_added": false
                  },
                  "nodejs": {
                    "version_added": "4.0.0"
                  },
                  "opera": {
                    "version_added": "15"
                  },
                  "opera_android": {
                    "version_added": "14"
                  },
                  "safari": {
                    "version_added": "10"
                  },
                  "safari_ios": {
                    "version_added": "10"
                  },
                  "samsunginternet_android": {
                    "version_added": "1.5"
                  },
                  "webview_android": {
                    "version_added": "37"
                  }
                },
                "status": {
                  "experimental": false,
                  "standard_track": true,
                  "deprecated": false
                }
              }
            },
            "timeStyle": {
              "__compat": {
                "support": {
                  "chrome": {
                    "version_added": "76"
                  },
                  "chrome_android": {
                    "version_added": "76"
                  },
                  "edge": {
                    "version_added": false
                  },
                  "firefox": {
                    "version_added": "79"
                  },
                  "firefox_android": {
                    "version_added": "79"
                  },
                  "ie": {
                    "version_added": false
                  },
                  "nodejs": {
                    "version_added": "12.9.0"
                  },
                  "opera": {
                    "version_added": "63"
                  },
                  "opera_android": {
                    "version_added": "54"
                  },
                  "safari": {
                    "version_added": false
                  },
                  "safari_ios": {
                    "version_added": false
                  },
                  "samsunginternet_android": {
                    "version_added": false
                  },
                  "webview_android": {
                    "version_added": "76"
                  }
                },
                "status": {
                  "experimental": false,
                  "standard_track": true,
                  "deprecated": false
                }
              }
            }
          },
          "format": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/format",
              "spec_url": "https://tc39.es/ecma402/#sec-intl.datetimeformat.prototype.format",
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "25"
                },
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "29"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": "11"
                },
                "nodejs": {
                  "version_added": "0.12",
                  "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
                },
                "opera": {
                  "version_added": "15"
                },
                "opera_android": {
                  "version_added": "14"
                },
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": {
                  "version_added": "10"
                },
                "samsunginternet_android": {
                  "version_added": "1.5"
                },
                "webview_android": {
                  "version_added": "4.4"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "formatRange": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/formatRange",
              "spec_url": "https://tc39.es/proposal-intl-DateTimeFormat-formatRange/#sec-intl.datetimeformat.prototype.formatRange",
              "support": {
                "chrome": {
                  "version_added": "76"
                },
                "chrome_android": {
                  "version_added": "76"
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "12.9.0",
                  "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": "54"
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": "76"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "formatRangeToParts": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/formatRangeToParts",
              "spec_url": "https://tc39.es/proposal-intl-DateTimeFormat-formatRange/#sec-Intl.DateTimeFormat.prototype.formatRangeToParts",
              "support": {
                "chrome": {
                  "version_added": "76"
                },
                "chrome_android": {
                  "version_added": "76"
                },
                "edge": {
                  "version_added": false
                },
                "firefox": {
                  "version_added": false
                },
                "firefox_android": {
                  "version_added": false
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "12.9.0",
                  "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
                },
                "opera": {
                  "version_added": false
                },
                "opera_android": {
                  "version_added": "54"
                },
                "safari": {
                  "version_added": false
                },
                "safari_ios": {
                  "version_added": false
                },
                "samsunginternet_android": {
                  "version_added": false
                },
                "webview_android": {
                  "version_added": "76"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "formatToParts": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/formatToParts",
              "spec_url": "https://tc39.es/ecma402/#sec-Intl.DateTimeFormat.prototype.formatToParts",
              "support": {
                "chrome": {
                  "version_added": "57",
                  "notes": "Before version 71, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 71 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                },
                "chrome_android": {
                  "version_added": "57",
                  "notes": "Before version 71, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 71 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                },
                "edge": {
                  "version_added": "18"
                },
                "firefox": {
                  "version_added": "51"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": false
                },
                "nodejs": {
                  "version_added": "8.0.0",
                  "notes": [
                    "Before version 12.0.0, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 12.0.0 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>.",
                    "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
                  ]
                },
                "opera": {
                  "version_added": "44",
                  "notes": "Before version 58, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 58 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                },
                "opera_android": {
                  "version_added": "43",
                  "notes": "Before version 50, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 50 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                },
                "safari": {
                  "version_added": "11"
                },
                "safari_ios": {
                  "version_added": "11"
                },
                "samsunginternet_android": {
                  "version_added": "7.0",
                  "notes": "Before version 71, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 71 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                },
                "webview_android": {
                  "version_added": "57",
                  "notes": "Before version 71, <code>formatToParts()</code> returned an object with an incorrectly cased type key of <code>dayperiod</code>. Version 71 and later use the specification defined <code>dayPeriod</code>. See <a href='https://crbug.com/865351'>Chromium bug 865351</a>."
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "resolvedOptions": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/resolvedOptions",
              "spec_url": "https://tc39.es/ecma402/#sec-intl.datetimeformat.prototype.resolvedoptions",
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "25"
                },
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "29"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": "11"
                },
                "nodejs": {
                  "version_added": "0.12",
                  "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. See <a href='https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat'>the <code>DateTimeFormat()</code> constructor</a> for more details."
                },
                "opera": {
                  "version_added": "15"
                },
                "opera_android": {
                  "version_added": "14"
                },
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": {
                  "version_added": "10"
                },
                "samsunginternet_android": {
                  "version_added": "1.5"
                },
                "webview_android": {
                  "version_added": "4.4"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            },
            "computed_timezone": {
              "__compat": {
                "description": "computed <code>timeZone</code>",
                "support": {
                  "chrome": {
                    "version_added": "35"
                  },
                  "chrome_android": {
                    "version_added": "35"
                  },
                  "edge": {
                    "version_added": "14"
                  },
                  "firefox": {
                    "version_added": "53"
                  },
                  "firefox_android": {
                    "version_added": "56"
                  },
                  "ie": {
                    "version_added": false
                  },
                  "nodejs": {
                    "version_added": "8.10.0"
                  },
                  "opera": {
                    "version_added": "30"
                  },
                  "opera_android": {
                    "version_added": "22"
                  },
                  "safari": {
                    "version_added": "10"
                  },
                  "safari_ios": {
                    "version_added": "10"
                  },
                  "samsunginternet_android": {
                    "version_added": "3.0"
                  },
                  "webview_android": {
                    "version_added": "≤37"
                  }
                },
                "status": {
                  "experimental": false,
                  "standard_track": true,
                  "deprecated": false
                }
              }
            }
          },
          "supportedLocalesOf": {
            "__compat": {
              "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/supportedLocalesOf",
              "spec_url": "https://tc39.es/ecma402/#sec-intl.datetimeformat.supportedlocalesof",
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "25"
                },
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "29"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": "11"
                },
                "nodejs": [
                  {
                    "version_added": "13.0.0"
                  },
                  {
                    "version_added": "0.12",
                    "partial_implementation": true,
                    "notes": "Before version 13.0.0, only the locale data for <code>en-US</code> is available by default. To make full ICU (locale) data available for versions prior to 13, see <a href='https://nodejs.org/docs/latest/api/intl.html#intl_options_for_building_node_js'>Node.js documentation on the <code>--with-intl</code> option</a> and how to provide the data."
                  }
                ],
                "opera": {
                  "version_added": "15"
                },
                "opera_android": {
                  "version_added": "14"
                },
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": {
                  "version_added": "10"
                },
                "samsunginternet_android": {
                  "version_added": "1.5"
                },
                "webview_android": {
                  "version_added": "4.4"
                }
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        }
      }
    }
  }
}