{
  "javascript": {
    "builtins": {
      "Number": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number",
          "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-objects",
          "tags": [
            "web-features:snapshot:ecmascript-1",
            "web-features:number"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "3"
            },
            "nodejs": {
              "version_added": "0.10.0"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "3"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "EPSILON": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/EPSILON",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.epsilon",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "25"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "MAX_SAFE_INTEGER": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_SAFE_INTEGER",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.max_safe_integer",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "31"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "MAX_VALUE": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MAX_VALUE",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.max_value",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "MIN_SAFE_INTEGER": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_SAFE_INTEGER",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.min_safe_integer",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "31"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "MIN_VALUE": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/MIN_VALUE",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.min_value",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "NaN": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/NaN",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.nan",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "NEGATIVE_INFINITY": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/NEGATIVE_INFINITY",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.negative_infinity",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "Number": {
          "__compat": {
            "description": "`Number()` constructor",
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/Number",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number-constructor",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "3"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "POSITIVE_INFINITY": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/POSITIVE_INFINITY",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.positive_infinity",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "3"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "isFinite": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isFinite",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.isfinite",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "19"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "16"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "isInteger": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isInteger",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.isinteger",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "16"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "isNaN": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.isnan",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "25"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "15"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "isSafeInteger": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/isSafeInteger",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.issafeinteger",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "32"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "parseFloat": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/parseFloat",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.parsefloat",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "25"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "parseInt": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/parseInt",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.parseint",
            "tags": [
              "web-features:snapshot:ecmascript-2015",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "34"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "25"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "nodejs": {
                "version_added": "0.12.0"
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "9"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "toExponential": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toExponential",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.toexponential",
            "tags": [
              "web-features:snapshot:ecmascript-3",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "5.5"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "7"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "toFixed": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.tofixed",
            "tags": [
              "web-features:snapshot:ecmascript-3",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "5.5"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "7"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "toLocaleString": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString",
            "spec_url": [
              "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.tolocalestring",
              "https://tc39.es/ecma402/#sup-number.prototype.tolocalestring"
            ],
            "tags": [
              "web-features:snapshot:ecmascript-3",
              "web-features:intl"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12",
                "notes": "Before Edge 18, numbers are rounded to 15 decimal digits. For example, `(1000000000000005).toLocaleString('en-US')` returns `\"1,000,000,000,000,010\"`."
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "5",
                "notes": "In Internet Explorer 11, numbers are rounded to 15 decimal digits. For example, `(1000000000000005).toLocaleString('en-US')` returns `\"1,000,000,000,000,010\"`."
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          },
          "locales_parameter": {
            "__compat": {
              "description": "`locales` parameter",
              "tags": [
                "web-features:intl"
              ],
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "26"
                },
                "deno": [
                  {
                    "version_added": "1.8"
                  },
                  {
                    "version_added": "1.0",
                    "version_removed": "1.8",
                    "partial_implementation": true,
                    "notes": "Only the locale data for `en-US` is available."
                  }
                ],
                "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": "0.12.0",
                    "partial_implementation": true,
                    "notes": "Before version 13.0.0, only the locale data for `en-US` is available by default. When other locales are specified, the function silently falls back to `en-US`. To make full ICU (locale) data available before version 13, see [Node.js documentation on the `--with-intl` option](https://nodejs.org/docs/latest/api/intl.html#intl_options_for_building_node_js) and how to provide the data."
                  }
                ],
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          },
          "options_parameter": {
            "__compat": {
              "description": "`options` parameter",
              "tags": [
                "web-features:intl"
              ],
              "support": {
                "chrome": {
                  "version_added": "24"
                },
                "chrome_android": {
                  "version_added": "26"
                },
                "deno": {
                  "version_added": "1.0"
                },
                "edge": {
                  "version_added": "12"
                },
                "firefox": {
                  "version_added": "29"
                },
                "firefox_android": {
                  "version_added": "56"
                },
                "ie": {
                  "version_added": "11"
                },
                "nodejs": {
                  "version_added": "0.12.0"
                },
                "oculus": "mirror",
                "opera": "mirror",
                "opera_android": "mirror",
                "safari": {
                  "version_added": "10"
                },
                "safari_ios": "mirror",
                "samsunginternet_android": "mirror",
                "webview_android": "mirror",
                "webview_ios": "mirror"
              },
              "status": {
                "experimental": false,
                "standard_track": true,
                "deprecated": false
              }
            }
          }
        },
        "toPrecision": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toPrecision",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.toprecision",
            "tags": [
              "web-features:snapshot:ecmascript-3",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "5.5"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "7"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "2"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "toString": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/toString",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.tostring",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "3"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "valueOf": {
          "__compat": {
            "mdn_url": "https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Number/valueOf",
            "spec_url": "https://tc39.es/ecma262/multipage/numbers-and-dates.html#sec-number.prototype.valueof",
            "tags": [
              "web-features:snapshot:ecmascript-1",
              "web-features:number"
            ],
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": "1.0"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "1"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": "4"
              },
              "nodejs": {
                "version_added": "0.10.0"
              },
              "oculus": "mirror",
              "opera": {
                "version_added": "4"
              },
              "opera_android": {
                "version_added": "10.1"
              },
              "safari": {
                "version_added": "1"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      }
    }
  }
}