Name Description Size Coverage
15.9.1.15-1.js --- esid: sec-date-time-string-format description: > Date Time String Format - specified default values will be set for all optional fields(MM, DD, mm, ss and time zone) when they are absent --- 591 -
browser.js 0 -
coercion-errors.js --- esid: sec-date-year-month-date-hours-minutes-seconds-ms description: Abrupt completions from coercing input values info: | 3. If NewTarget is not undefined, then a. Let y be ? ToNumber(year). b. Let m be ? ToNumber(month). c. If date is supplied, let dt be ? ToNumber(date); else let dt be 1. d. If hours is supplied, let h be ? ToNumber(hours); else let h be 0. e. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0. f. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0. g. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0. h. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y); otherwise, let yr be y. i. Let finalDate be MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli)). j. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). k. Set O.[[DateValue]] to TimeClip(UTC(finalDate)). l. Return O. --- 2440 -
coercion-order.js --- esid: sec-date-year-month-date-hours-minutes-seconds-ms description: Order of input coercion info: | 3. If NewTarget is not undefined, then a. Let y be ? ToNumber(year). b. Let m be ? ToNumber(month). c. If date is supplied, let dt be ? ToNumber(date); else let dt be 1. d. If hours is supplied, let h be ? ToNumber(hours); else let h be 0. e. If minutes is supplied, let min be ? ToNumber(minutes); else let min be 0. f. If seconds is supplied, let s be ? ToNumber(seconds); else let s be 0. g. If ms is supplied, let milli be ? ToNumber(ms); else let milli be 0. h. If y is not NaN and 0 ≤ ToInteger(y) ≤ 99, let yr be 1900+ToInteger(y); otherwise, let yr be y. i. Let finalDate be MakeDate(MakeDay(yr, m, dt), MakeTime(h, min, s, milli)). j. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). k. Set O.[[DateValue]] to TimeClip(UTC(finalDate)). l. Return O. --- 1745 -
construct_with_date.js --- esid: sec-date-value description: Date constructor called with Date object info: | 20.3.2.2 Date ( value ) ... 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). es6id: 20.3.2.2 --- 807 -
is-a-constructor.js --- esid: sec-ecmascript-standard-built-in-objects description: > The Date constructor implements [[Construct]] info: | IsConstructor ( argument ) The abstract operation IsConstructor takes argument argument (an ECMAScript language value). It determines if argument is a function object with a [[Construct]] internal method. It performs the following steps when called: If Type(argument) is not Object, return false. If argument has a [[Construct]] internal method, return true. Return false. includes: [isConstructor.js] features: [Reflect.construct] --- 831 -
length.js --- esid: sec-properties-of-the-date-constructor description: > Date.length is 7. info: | Properties of the Date Constructor The Date constructor has a "length" property whose value is 7𝔽. 17 ECMAScript Standard Built-in Objects: Unless otherwise specified, the "length" property of a built-in function object has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. includes: [propertyHelper.js] --- 729 -
name.js --- esid: sec-date-constructor description: Constructor "name" property descriptor info: | 17 ECMAScript Standard Built-in Objects: Every built-in Function object, including constructors, that is not identified as an anonymous function has a name property whose value is a String. Unless otherwise specified, the name property of a built-in Function object, if it exists, has the attributes { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true }. includes: [propertyHelper.js] --- 791 -
now -
parse -
prop-desc.js --- esid: sec-constructor-properties-of-the-global-object-date description: Property descriptor for Date info: | Every other data property described in clauses 18 through 26 and in Annex B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: true } unless otherwise specified. includes: [propertyHelper.js] --- 594 -
proto-from-ctor-realm-one.js --- esid: sec-date-value description: Default [[Prototype]] value derived from realm of the newTarget info: | [...] 3. If NewTarget is not undefined, then [...] c. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). [...] 9.1.14 GetPrototypeFromConstructor [...] 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Let proto be realm's intrinsic object named intrinsicDefaultProto. [...] features: [cross-realm, Reflect] --- 988 -
proto-from-ctor-realm-two.js --- esid: sec-date-year-month-date-hours-minutes-seconds-ms description: Default [[Prototype]] value derived from realm of the newTarget info: | [...] 3. If NewTarget is not undefined, then [...] j. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). [...] 9.1.14 GetPrototypeFromConstructor [...] 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Let proto be realm's intrinsic object named intrinsicDefaultProto. [...] features: [cross-realm, Reflect] --- 1029 -
proto-from-ctor-realm-zero.js --- esid: sec-date-constructor-date description: Default [[Prototype]] value derived from realm of the newTarget info: | [...] 3. If NewTarget is not undefined, then a. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). [...] 9.1.14 GetPrototypeFromConstructor [...] 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Let proto be realm's intrinsic object named intrinsicDefaultProto. [...] features: [cross-realm, Reflect] --- 986 -
prototype -
S15.9.2.1_A1.js --- esid: sec-date-year-month-date-hours-minutes-seconds-ms info: | When Date is called as a function rather than as a constructor, it should be "string" representing the current time (UTC) es5id: 15.9.2.1_A1 description: Checking type of returned value --- 2279 -
S15.9.2.1_A2.js --- esid: sec-date-year-month-date-hours-minutes-seconds-ms info: | All of the arguments are optional, any arguments supplied are accepted but are completely ignored. A string is created and returned as if by the expression (new Date()).toString() es5id: 15.9.2.1_A2 description: Use various number arguments and various types of ones --- 2688 -
S15.9.3.1_A1_T1.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 2 arguments, (year, month) --- 6418 -
S15.9.3.1_A1_T2.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 3 arguments, (year, month, date) --- 6664 -
S15.9.3.1_A1_T3.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 4 arguments, (year, month, date, hours) --- 6974 -
S15.9.3.1_A1_T4.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 5 arguments, (year, month, date, hours, minutes) --- 7255 -
S15.9.3.1_A1_T5.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) --- 7504 -
S15.9.3.1_A1_T6.js --- info: | When Date is called as part of a new expression it is a constructor: it initializes the newly created object esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 7 arguments, (year, month, date, hours, minutes, seconds, ms) --- 7772 -
S15.9.3.1_A2_T1.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 2 arguments, (year, month) --- 6455 -
S15.9.3.1_A2_T2.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 3 arguments, (year, month, date) --- 6581 -
S15.9.3.1_A2_T3.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 4 arguments, (year, month, date, hours) --- 6708 -
S15.9.3.1_A2_T4.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 5 arguments, (year, month, date, hours, minutes) --- 6837 -
S15.9.3.1_A2_T5.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) --- 6966 -
S15.9.3.1_A2_T6.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 7 arguments, (year, month, date, hours, minutes, seconds, ms) --- 7102 -
S15.9.3.1_A3_T1.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on delete prototype.toString - 2 arguments, (year, month) --- 2705 -
S15.9.3.1_A3_T1.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 2 arguments, (year, month) --- 1967 -
S15.9.3.1_A3_T2.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on delete prototype.toString - 3 arguments, (year, month, date) --- 2791 -
S15.9.3.1_A3_T2.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 3 arguments, (year, month, date) --- 2013 -
S15.9.3.1_A3_T3.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on delete prototype.toString - 4 arguments, (year, month, date, hours) --- 2878 -
S15.9.3.1_A3_T3.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 4 arguments, (year, month, date, hours) --- 2060 -
S15.9.3.1_A3_T4.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on delete prototype.toString - 5 arguments, (year, month, date, hours, minutes) --- 2967 -
S15.9.3.1_A3_T4.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 5 arguments, (year, month, date, hours, minutes) --- 2109 -
S15.9.3.1_A3_T5.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) --- 3004 -
S15.9.3.1_A3_T5.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 6 arguments, (year, month, date, hours, minutes, seconds) --- 2158 -
S15.9.3.1_A3_T6.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 7 arguments, (year, month, date, hours, minutes, seconds, ms) --- 3096 -
S15.9.3.1_A3_T6.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-year-month-date-hours-minutes-seconds-ms description: > Test based on overwriting prototype.toString - 7 arguments, (year, month, date, hours, minutes, seconds, ms) --- 2206 -
S15.9.3.1_A4_T0.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 1 argument (year) --- 947 -
S15.9.3.1_A4_T1.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 2 arguments, (year, month) --- 1157 -
S15.9.3.1_A4_T2.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 3 arguments, (year, month, date) --- 1418 -
S15.9.3.1_A4_T3.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 4 arguments, (year, month, date, hours) --- 1734 -
S15.9.3.1_A4_T4.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 5 arguments, (year, month, date, hours, minutes) --- 2106 -
S15.9.3.1_A4_T5.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) --- 2532 -
S15.9.3.1_A4_T6.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 1. Call ToNumber(year) 2. Call ToNumber(month) 3. If date is supplied use ToNumber(date) 4. If hours is supplied use ToNumber(hours) 5. If minutes is supplied use ToNumber(minutes) 6. If seconds is supplied use ToNumber(seconds) 7. If ms is supplied use ToNumber(ms) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 7 arguments, (year, month, date, hours, minutes, seconds, ms) --- 3007 -
S15.9.3.1_A5_T1.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 2 arguments, (year, month) includes: [assertRelativeDateMs.js] --- 1481 -
S15.9.3.1_A5_T2.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 3 arguments, (year, month, date) includes: [assertRelativeDateMs.js] --- 1525 -
S15.9.3.1_A5_T3.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 4 arguments, (year, month, date, hours) includes: [assertRelativeDateMs.js] --- 1571 -
S15.9.3.1_A5_T4.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 5 arguments, (year, month, date, hours, minutes) includes: [assertRelativeDateMs.js] --- 1618 -
S15.9.3.1_A5_T5.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) includes: [assertRelativeDateMs.js] --- 1666 -
S15.9.3.1_A5_T6.js --- info: | The [[Value]] property of the newly constructed object is set by following steps: 8. If Result(1) is not NaN and 0 <= ToInteger(Result(1)) <= 99, Result(8) is 1900+ToInteger(Result(1)); otherwise, Result(8) is Result(1) 9. Compute MakeDay(Result(8), Result(2), Result(3)) 10. Compute MakeTime(Result(4), Result(5), Result(6), Result(7)) 11. Compute MakeDate(Result(9), Result(10)) 12. Set the [[Value]] property of the newly constructed object to TimeClip(UTC(Result(11))) esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 7 arguments, (year, month, date, hours, minutes, seconds, ms) includes: [assertRelativeDateMs.js] --- 1711 -
S15.9.3.1_A6_T1.js --- info: | The [[Value]] property of the newly constructed object with supplied "undefined" argument should be NaN esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 2 arguments, (year, month) --- 1675 -
S15.9.3.1_A6_T2.js --- info: | The [[Value]] property of the newly constructed object with supplied "undefined" argument should be NaN esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 3 arguments, (year, month, date) --- 1721 -
S15.9.3.1_A6_T3.js --- info: | The [[Value]] property of the newly constructed object with supplied "undefined" argument should be NaN esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 4 arguments, (year, month, date, hours) --- 1768 -
S15.9.3.1_A6_T4.js --- info: | The [[Value]] property of the newly constructed object with supplied "undefined" argument should be NaN esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 5 arguments, (year, month, date, hours, minutes) --- 1817 -
S15.9.3.1_A6_T5.js --- info: | The [[Value]] property of the newly constructed object with supplied "undefined" argument should be NaN esid: sec-date-year-month-date-hours-minutes-seconds-ms description: 6 arguments, (year, month, date, hours, minutes, seconds) --- 1866 -
S15.9.3.2_A1_T1.js --- info: | When Date is called as part of a new expression it is a constructor: it initialises the newly created object esid: sec-date-value description: Checking types of newly created objects and it values includes: [dateConstants.js] --- 4752 -
S15.9.3.2_A2_T1.js --- info: | The [[Prototype]] property of the newly constructed object is set to the original Date prototype object, the one that is the initial value of Date.prototype esid: sec-date-value description: Checking Date.prototype property of newly constructed objects includes: [dateConstants.js] --- 4613 -
S15.9.3.2_A3_T1.1.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-value description: Test based on delete prototype.toString includes: [dateConstants.js] --- 1990 -
S15.9.3.2_A3_T1.2.js --- info: | The [[Class]] property of the newly constructed object is set to "Date" esid: sec-date-value description: Test based on overwriting prototype.toString includes: [dateConstants.js] --- 1465 -
S15.9.4_A1.js --- info: The Date constructor has the property "prototype" esid: sec-date-constructor description: Checking existence of the property "prototype" --- 405 -
S15.9.4_A2.js --- info: The Date constructor has the property "parse" esid: sec-date-constructor description: Checking existence of the property "parse" --- 389 -
S15.9.4_A3.js --- info: The Date constructor has the property "UTC" esid: sec-date-constructor description: Checking existence of the property "UTC" --- 381 -
S15.9.4_A4.js --- info: | The value of the internal [[Prototype]] property of the Date constructor is the Function prototype object esid: sec-date-constructor description: Checking Function.prototype.isPrototypeOf(Date) --- 484 -
S15.9.4_A5.js --- info: Date constructor has length property whose value is 7 esid: sec-date-constructor description: Checking Date.length property --- 468 -
shell.js --- description: | Verify that the given date object's Number representation describes the correct number of milliseconds since the Unix epoch relative to the local time zone (as interpreted at the specified date). defines: [assertRelativeDateMs] --- 2163 -
subclassing.js --- esid: sec-date-value description: Error retrieving `Symbol.toPrimitive` method from object value info: | 3. If NewTarget is not undefined, then [...] c. Let O be ? OrdinaryCreateFromConstructor(NewTarget, "%DatePrototype%", « [[DateValue]] »). [...] OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) [...] 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto). 3. Return ObjectCreate(proto, internalSlotsList). features: [Reflect] --- 1508 -
TimeClip_negative_zero.js --- esid: sec-timeclip description: TimeClip converts negative zero to positive zero info: | 20.3.1.15 TimeClip (time) ... 3. Return ToInteger(time) + (+0). (Adding a positive zero converts -0 to +0.) es6id: 20.3.1.15 --- 493 -
UTC -
value-get-symbol-to-prim-err.js --- esid: sec-date-value description: > Behavior when error thrown while accessing `Symbol.toPrimitive` property info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). features: [Symbol.toPrimitive] --- 881 -
value-symbol-to-prim-err.js --- esid: sec-date-value description: > Behavior when error thrown by invocation of `Symbol.toPrimitive` method during coercion info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). 6. If exoticToPrim is not undefined, then a. Let result be Call(exoticToPrim, input, «hint»). b. ReturnIfAbrupt(result). features: [Symbol.toPrimitive] --- 1003 -
value-symbol-to-prim-invocation.js --- esid: sec-date-value description: Invocation of `Symbol.toPrimitive` method info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). [...] ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) 1. If PreferredType was not passed, let hint be "default". [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). 6. If exoticToPrim is not undefined, then a. Let result be Call(exoticToPrim, input, «hint»). [...] features: [Symbol.toPrimitive] --- 1356 -
value-symbol-to-prim-return-obj.js --- esid: sec-date-value description: > Behavior when coercion via `Symbol.toPrimitive` yields an Object info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). 6. If exoticToPrim is not undefined, then a. Let result be Call(exoticToPrim, input, «hint»). b. ReturnIfAbrupt(result). c. If Type(result) is not Object, return result. d. Throw a TypeError exception. features: [Symbol.toPrimitive] --- 1240 -
value-symbol-to-prim-return-prim.js --- esid: sec-date-value description: > Behavior when coercion via `Symbol.toPrimitive` yields a primitive value info: | [...] 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then [...] b. Else, i. Let v be ? ToPrimitive(value). ES6 Section 7.1.1 ToPrimitive ( input [, PreferredType] ) [...] 4. Let exoticToPrim be GetMethod(input, @@toPrimitive). 5. ReturnIfAbrupt(exoticToPrim). 6. If exoticToPrim is not undefined, then a. Let result be Call(exoticToPrim, input, «hint»). b. ReturnIfAbrupt(result). c. If Type(result) is not Object, return result. features: [Symbol.toPrimitive] --- 1229 -
value-to-primitive-call-err.js --- esid: sec-date-value description: Error invoking `Symbol.toPrimitive` method of object value info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). ToPrimitive ( input [ , PreferredType ] ) [...] 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). features: [Symbol.toPrimitive] --- 822 -
value-to-primitive-call.js --- esid: sec-date-value description: Invocation of `Symbol.toPrimitive` method of object value info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). [...] ToPrimitive ( input [ , PreferredType ] ) 1. If PreferredType was not passed, let hint be "default". 2. Else if PreferredType is hint String, let hint be "string". 3. Else PreferredType is hint Number, let hint be "number". 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). 5. If exoticToPrim is not undefined, then a. Let result be ? Call(exoticToPrim, input, « hint »). [...] features: [Symbol.toPrimitive] --- 1429 -
value-to-primitive-get-meth-err.js --- esid: sec-date-value description: Error retrieving `Symbol.toPrimitive` method from object value info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). [...] features: [Symbol.toPrimitive] --- 958 -
value-to-primitive-result-faulty.js --- esid: sec-date-value description: Exotic `Symbol.toPrimitive` method returns a non-primitive info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). ToPrimitive ( input [ , PreferredType ] ) 1. If PreferredType was not passed, let hint be "default". 2. Else if PreferredType is hint String, let hint be "string". 3. Else PreferredType is hint Number, let hint be "number". 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). 5. If exoticToPrim is not undefined, then a. Let result be ? Call(exoticToPrim, input, « hint »). b. If Type(result) is not Object, return result. c. Throw a TypeError exception. features: [Symbol.toPrimitive] --- 1524 -
value-to-primitive-result-non-string-prim.js --- esid: sec-date-value description: > Exotic `Symbol.toPrimitive` method returns a primitive value other than a string info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). ii. If Type(v) is String, then 1. Let tv be the result of parsing v as a date, in exactly the same manner as for the parse method (20.3.3.2). If the parse resulted in an abrupt completion, tv is the Completion Record. ToPrimitive ( input [ , PreferredType ] ) 1. If PreferredType was not passed, let hint be "default". 2. Else if PreferredType is hint String, let hint be "string". 3. Else PreferredType is hint Number, let hint be "number". 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). 5. If exoticToPrim is not undefined, then a. Let result be ? Call(exoticToPrim, input, « hint »). b. If Type(result) is not Object, return result. features: [Symbol.toPrimitive] --- 1950 -
value-to-primitive-result-string.js --- esid: sec-date-value description: Exotic `Symbol.toPrimitive` method returns a String value info: | 3. If NewTarget is not undefined, then a. If Type(value) is Object and value has a [[DateValue]] internal slot, then i. Let tv be thisTimeValue(value). b. Else, i. Let v be ? ToPrimitive(value). ii. If Type(v) is String, then 1. Let tv be the result of parsing v as a date, in exactly the same manner as for the parse method (20.3.3.2). If the parse resulted in an abrupt completion, tv is the Completion Record. ToPrimitive ( input [ , PreferredType ] ) 1. If PreferredType was not passed, let hint be "default". 2. Else if PreferredType is hint String, let hint be "string". 3. Else PreferredType is hint Number, let hint be "number". 4. Let exoticToPrim be ? GetMethod(input, @@toPrimitive). 5. If exoticToPrim is not undefined, then a. Let result be ? Call(exoticToPrim, input, « hint »). b. If Type(result) is not Object, return result. features: [Symbol.toPrimitive] --- 1444 -
year-zero.js --- esid: sec-expanded-years description: Negative zero, as an extended year, is rejected info: | The year 0 is considered positive and must be prefixed with a + sign. The representation of the year 0 as -000000 is invalid. --- 617 -