Changelog
core-js
structuredClone
bugs (1774866 (fixed in FF104) and 1777321 (still not fixed)) that now can clone errors, but .stack
of the clone is an empty string{ Map, WeakMap }.prototype.emplace
logic, #1102Changelog
%TypedArray%.prototype.toSpliced
following proposal-change-array-by-copy/89Changelog
%TypedArray%
constructors in new methods, #1092 (comment)Changelog
Array
find from last moved to the stable ES, according to June 2022 TC39 meeting:
Array.prototype.findLast
Array.prototype.findLastIndex
%TypedArray%.prototype.findLast
%TypedArray%.prototype.findLastIndex
Array
grouping proposal renamed, according to June 2022 TC39 meeting:
Array.prototype.groupBy
-> Array.prototype.group
Array.prototype.groupByToMap
-> Array.prototype.groupToMap
%TypedArray%.prototype.with
following proposal-change-array-by-copy/86, according to June 2022 TC39 meetingSymbol.metadataKey
replaces Symbol.metadata
Array.prototype.push
polyfill with some fixes for modern enginesArray.prototype.unshift
polyfill with some fixes for modern enginesRegExp.prototype.flags
in the actual version of V8Math
and Number
constantsArrayBufferDetaching
protector cell invalidation and performance degradation on structuredClone
feature detection, one more case of #679structuredClone
that can not clone DOMException
(just in case for future versions that will fix other issues)Changelog
ToBigInt
/ ToNumber
conversion of the argument passed to %TypedArray%.prototype.fill
in V8 ~ Chrome < 59, Safari < 14.1, FF < 55, Edge <=18DeletePropertyOrThrow
in IE9-TypeError
instead of Error
) on incorrect exec
result in RegExp.prototype.test
polyfill{ actual, full, features }/typed-array/at
entriesChangelog
.length
of polyfilled functions even in compressed code (excepting some ancient engines).name
of polyfilled accessors (excepting some ancient engines)ToString
conversion of polyfilled accessors