LibJS: Update missing/superfluous commas in various spec comments

These are editorial changes in the Temporal spec.

See:
- https://github.com/tc39/proposal-temporal/commit/9586746
- https://github.com/tc39/proposal-temporal/commit/3c76ecc
- https://github.com/tc39/proposal-temporal/commit/96eab07

Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.cpp

@@ -835,7 +835,7 @@ ThrowCompletionOr<void> reject_object_with_calendar_or_time_zone(GlobalObject& g
 // 13.21 FormatSecondsStringPart ( second, millisecond, microsecond, nanosecond, precision ), https://tc39.es/proposal-temporal/#sec-temporal-formatsecondsstringpart
 String format_seconds_string_part(u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Variant<StringView, u8> const& precision)
 {
-    // 1. Assert: second, millisecond, microsecond and nanosecond are integers.
+    // 1. Assert: second, millisecond, microsecond, and nanosecond are integers.
 
     // Non-standard sanity check
     if (precision.has<StringView>())

Userland/Libraries/LibJS/Runtime/Temporal/AbstractOperations.h

@@ -204,7 +204,7 @@ ThrowCompletionOr<double> to_integer_without_rounding(GlobalObject& global_objec
     // 1. Let number be ? ToNumber(argument).
     auto number = TRY(argument.to_number(global_object));
 
-    // 2. If number is NaN, +0𝔽, or -0𝔽 return 0.
+    // 2. If number is NaN, +0𝔽, or -0𝔽, return 0.
     if (number.is_nan() || number.is_positive_zero() || number.is_negative_zero())
         return 0;
 

Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp

@@ -707,7 +707,7 @@ ThrowCompletionOr<double> resolve_iso_month(GlobalObject& global_object, Object
     if (number_part_integer < 1 || number_part_integer > 12)
         return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidMonthCode);
 
-    // 11. If month is not undefined, and month ≠ numberPart, then
+    // 11. If month is not undefined and month ≠ numberPart, then
     if (!month.is_undefined() && month.as_double() != number_part_integer) {
         // a. Throw a RangeError exception.
         return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidMonthCode);

Userland/Libraries/LibJS/Runtime/Temporal/CalendarPrototype.cpp

@@ -231,7 +231,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::year)
     VERIFY(calendar->identifier() == "iso8601"sv);
 
     auto temporal_date_like = vm.argument(0);
-    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slot, then
+    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slot, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Set temporalDateLike to ? ToTemporalDate(temporalDateLike).
         temporal_date_like = TRY(to_temporal_date(global_object, temporal_date_like));
@@ -260,7 +260,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::month)
         return vm.throw_completion<TypeError>(global_object, ErrorType::TemporalAmbiguousMonthOfPlainMonthDay);
     }
 
-    // 5. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slot, then
+    // 5. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slot, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Set temporalDateLike to ? ToTemporalDate(temporalDateLike).
         temporal_date_like = TRY(to_temporal_date(global_object, temporal_date_like));
@@ -417,7 +417,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::days_in_month)
     VERIFY(calendar->identifier() == "iso8601"sv);
 
     auto temporal_date_like = vm.argument(0);
-    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slots, then
+    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slots, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Set temporalDateLike to ? ToTemporalDate(temporalDateLike).
         temporal_date_like = TRY(to_temporal_date(global_object, temporal_date_like));
@@ -439,7 +439,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::days_in_year)
     VERIFY(calendar->identifier() == "iso8601"sv);
 
     auto temporal_date_like = vm.argument(0);
-    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slot, then
+    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slot, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Set temporalDateLike to ? ToTemporalDate(temporalDateLike).
         temporal_date_like = TRY(to_temporal_date(global_object, temporal_date_like));
@@ -461,7 +461,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::months_in_year)
     VERIFY(calendar->identifier() == "iso8601"sv);
 
     auto temporal_date_like = vm.argument(0);
-    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slot, then
+    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slot, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Perform ? ToTemporalDate(temporalDateLike).
         (void)TRY(to_temporal_date(global_object, temporal_date_like));
@@ -483,7 +483,7 @@ JS_DEFINE_NATIVE_FUNCTION(CalendarPrototype::in_leap_year)
     VERIFY(calendar->identifier() == "iso8601"sv);
 
     auto temporal_date_like = vm.argument(0);
-    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]] or [[InitializedTemporalYearMonth]] internal slot, then
+    // 4. If Type(temporalDateLike) is not Object or temporalDateLike does not have an [[InitializedTemporalDate]], [[InitializedTemporalDateTime]], or [[InitializedTemporalYearMonth]] internal slot, then
     if (!temporal_date_like.is_object() || !(is<PlainDate>(temporal_date_like.as_object()) || is<PlainDateTime>(temporal_date_like.as_object()) || is<PlainYearMonth>(temporal_date_like.as_object()))) {
         // a. Set temporalDateLike to ? ToTemporalDate(temporalDateLike).
         temporal_date_like = TRY(to_temporal_date(global_object, temporal_date_like));

Userland/Libraries/LibJS/Runtime/Temporal/ZonedDateTime.cpp

@@ -48,7 +48,7 @@ ThrowCompletionOr<BigInt const*> interpret_iso_date_time_offset(GlobalObject& gl
     // 2. Let dateTime be ? CreateTemporalDateTime(year, month, day, hour, minute, second, millisecond, microsecond, nanosecond, calendar).
     auto* date_time = TRY(create_temporal_date_time(global_object, year, month, day, hour, minute, second, millisecond, microsecond, nanosecond, *calendar));
 
-    // 3. If offsetBehaviour is wall, or offsetOption is "ignore", then
+    // 3. If offsetBehaviour is wall or offsetOption is "ignore", then
     if (offset_behavior == OffsetBehavior::Wall || offset_option == "ignore"sv) {
         // a. Let instant be ? BuiltinTimeZoneGetInstantFor(timeZone, dateTime, disambiguation).
         auto* instant = TRY(builtin_time_zone_get_instant_for(global_object, time_zone, *date_time, disambiguation));
@@ -57,7 +57,7 @@ ThrowCompletionOr<BigInt const*> interpret_iso_date_time_offset(GlobalObject& gl
         return &instant->nanoseconds();
     }
 
-    // 4. If offsetBehaviour is exact, or offsetOption is "use", then
+    // 4. If offsetBehaviour is exact or offsetOption is "use", then
     if (offset_behavior == OffsetBehavior::Exact || offset_option == "use"sv) {
         // a. Let epochNanoseconds be GetEpochFromISOParts(year, month, day, hour, minute, second, millisecond, microsecond, nanosecond).
         auto* epoch_nanoseconds = get_epoch_from_iso_parts(global_object, year, month, day, hour, minute, second, millisecond, microsecond, nanosecond);