CHANGELOG.md

4.6.7

• [Fix] parseInt, String#trim: properly consider Mongolian Vowel Separator
• [Robustness] substr: call-bind original substr method
• [Tests] ensure only the actual shims are included in tests

4.6.6

• [Fix] splice: IE 8: upgrade ES5 impls to ES6 default argument behavior
• [Fix] toExponential: IE 6 native toExponential does not throw with infinite fractionDigits
• [Fix] Date: fix a bug in modern Safari (#481)
• [Fix] ensure parseInt replacements are not constructible
• [readme] add standalone shims
• [readme] add Array.prototype.splice and standalone shim
• [Tests] fix a test failure with a custom matcher in IE 6
• [Tests] pave over Firefox’s increased getMinutes precision
• [Dev Deps] update eslint, @ljharb/eslint-config

4.6.5

• [Fix] IE 8 has a broken Object.defineProperty
• [patch] replace dead link in comment with archive.org link
• [Docs] update all possible http: links to https:
• [Dev Deps] update eslint, @ljharb/eslint-config, aud

4.6.4

• [Fix] Object.defineProperty: when shimmed in Chrome <= 36, properly handle writability
• [Tests] add some additional tests

4.6.3

• [Fix] Object.defineProperty: Chrome <= 36 has a broken dP when setting "prototype" while changing writability
• [Fix] toExponential: use thisNumberValue instead of Number()
• [readme] fix badges
• [readme] add standalone shims
• [actions] reuse common workflows
• [actions] update codecov uploader
• [Dev Deps] update eslint, @ljharb/eslint-config, safe-publish-latest
• [Tests] avoid loading coverage data when running tests

4.6.2

• [Fix] IE 6-8 fails to throw on infinite fractional digits

4.6.1

• [Fix] Math.log10 does not exist in older engines, oops
• [Fix] toExponential: start from 16 instead of 22
• [Fix] toExponential: ensure ToNumber is only called once on the receiver
• [Robustness] toExponential, toPrecision: ensure things do not break with later builtin modification

4.6.0

• [New] detect and patch Number#toExponential in Edge 15-18, which rounds incorrectly
• [Fix] parseInt: fails to throw on boxed Symbols in Edge 15-18
• [eslint] ensure autofix makes no further changes
• [readme] remove travis badge
• [meta] use prepublishOnly, for npm 7+
• [Dev Deps] update eslint, @ljharb/eslint-config, aud
• [tests] use ljharb/actions/node/install instead of ljharb/actions/node/run; use codecov action
• [actions] update workflows

4.5.15

• [Fix] es5-sham: getPrototypeOf: avoid infinite loop in pre-__proto__ browsers
• [Fix] split: add a function name to the "broken capturing groups" shim
• [Robustness] cache Math methods
• [readme] add standalone shims
• [meta] add in-publish to avoid running the minifier on install
• [meta] run aud in posttest
• [Tests] migrate tests to Github Actions (#474)
• [Tests] run nyc on all tests
• [actions] add "Allow Edits" workflow
• [actions] switch Automatic Rebase workflow to pull_request_target event
• [Dev Deps] update eslint, @ljharb/eslint-config

4.5.14

• [Fix] handle no deleteCount to splice() in Opera (#465)
• [Refactor] remove unnecessary comparison
• [meta] remove unused Makefile and associated utilities
• [meta] add funding field
• [meta] Rename CHANGES to CHANGELOG.md
• [Dev Deps] update eslint, @ljharb/eslint-config, replace, semver; add safe-publish-latest
• [Tests] fix negative Date tests to handle TZData
• [Tests] use shared travis-ci configs
• [Tests] remove jscs
• [Tests] clarify toPrecision's range increased in ES2018
• [actions] add automatic rebasing / merge commit blocking

4.5.13

• [Fix] exclude deprecated Firefox keys (#460)
• [Dev Deps] update eslint, @ljharb/eslint-config, jasmine-node, replace, semver

4.5.12

• [meta] republish broken 4.5.11

4.5.11

• [Fix] sync Object.keys excluded list from object-keys (#456)
• [Dev Deps] update eslint, @ljharb/eslint-config, jasmine-node, replace, semver
• [Tests] pin jasmine-node to ~1.13

4.5.10

• [Fix] Safari 11 throws on .sort({}), but not on .sort(null)
• [Fix] ensure the shimmed parseInt throws with Symbols (#450)
• [Fix] skip over localStorage, which can’t be accessed on file://
• [Fix] Accessing window.top.{constructor|prototype} throws error in iOS (#445)
• [Fix] avoid width and height on window, to prevent reflow (ljharb/object-keys#31)
• [Fix] ensure minified literal of 1000000000000000128 stays as that literal (#441)
• [Robustness] always prefer String(x) over x.toString()
• [Tests] up to node v9.3, v8.9, v7.10, v6.12, v5.12, v4.8; improve test matrix; use nvm install-latest-npm; comment out OS X builds; pin included builds to LTS
• [Tests] parseInt: add another test for NaN parsing (#433)
• [Dev Deps] uglify-js: add --support-ie8 and peg to v2.7.x since it doesn’t follow semver
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs, uglify-js, semver; remove concurrently (#421)

4.5.9

• [Fix] parseInt and parseFloat should both accept null/undefined (#402)
• [Tests] up to node v6.2
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs, concurrently

4.5.8

• [Fix] Check if property descriptor is configurable before re-defining it (#394, #373)
• [Dev Deps] update eslint, jscs, @ljharb/eslint-config
• [Tests] up to node v5.10, v4.4
• [Tests] Use concurrently instead of parallelshell
• [Tests] use pretest to run the linter

4.5.7

• [Fix] bind in IE 8: Update is-callable implementation to v1.1.3 (#390)

4.5.6

• [Fix] new Date(new Date()) should work in IE 8 (#389)
• [Tests] on node v5.7
• [Dev Deps] update uglify-js

4.5.5

• [Fix] Adobe Photoshop’s JS engine bizarrely can have +date !== date.getTime() (#365)
• [Dev Deps] update eslint
• [Refactor] Update is-callable implementation to match latest
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs

4.5.4

• [Fix] careless error from 5cf99aca49e59bae03b5d542381424bb1b13ec42

4.5.3

• [Fix] Saturday is a day in the week (#386)
• [Robustness] improve Function#bind (#381)
• [Tests] on node v5.6, v4.3
• [Tests] use json3 (#382)
• [Dev Deps] update eslint, @ljharb/eslint-config
• [Docs] add note about script order (#379)

4.5.2

• [shim: fix] use Array#slice, not String#slice, on String#split output (#380)

4.5.1

• [Fix] Make sure preexisting + broken Array# methods that throw don’t break the runtime (#377)
• [Dev Deps] update jscs

4.5.0

• [New] parseFloat('-0') should return -0 in Opera 12 (#371)
• [New] Provide and replace Date UTC methods (#360)
• [Robustness] cache Date getUTC methods so that Date#toISOString doesn’t observably look them up on the receiver
• [Robustness] use a cached and shimmed String#trim
• [Tests] up to node v5.5
• [Tests] add parallelshell and use it in a few tasks
• [Refactor] rename cached methods to avoid linter warnings
• [Dev Deps] update eslint, jscs, '@ljharb/eslint-config'
• [Docs] Update license year to 2016 (#374)

4.4.2

• [shim: fix] use Array#slice, not String#slice, on String#split output (#380)

4.4.1

• [Fix] ensure that IE 11 in compatibility mode doesn't throw (#370)
• [Docs] add missing shimmed things

4.4.0

• [New] Detect and patch RegExp#toString in IE 8, which returns flags in the wrong order (#364)
• [Fix] Patch Array#sort on {Chrome, Safari, IE < 9, FF 4} that throws improperly, per ES5 (#354)
• [Fix] In IE 6, window.external makes Object.keys throw
• [Fix] Array#slice: boxed string access on IE <= 8 (#349)
• [Fix] Array#join: fix IE 6-8 join called on string literal (#352)
• [Fix] Ensure that Error#message and Error#name are non-enumerable (#358)
• [Fix: sham] Object.getOwnPropertyDescriptor: In Opera 11.6, propertyIsEnumerable is a nonshadowable global, like toString
• [Robustness] Use a bound form of Array#slice.call
• [Tests] Properly check for descriptor support in IE <= 8
• [Tests] on node v5.1
• [Tests] Add Array#slice tests (#346)
• [Dev Deps] update uglify-js, eslint, jscs, uglify-js, semver
• [Docs] Fix broken UMD links (#344)

4.3.2

• [shim: fix] use Array#slice, not String#slice, on String#split output (#380)

4.3.1

• [Fix] String#split: revert part of dcce96ae21185a69d2d40e67416e7496b73e8e47 which broke in older browsers (#342)
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs
• [Tests] Firefox allows Number#toPrecision values of [1,100], which the spec permits

4.3.0

• [New] Array#push: in IE <= 7, Array#push was not generic (#336)
• [New] Array#push in Opera 10.6 has a super weird bug when pushing undefined
• [New] Array#join: In IE <= 7, passing undefined didn't use the default separator (#333)
• [New] Error#toString: prints out the proper message in IE 7 and below (#334)
• [New] Number#toPrecision: IE 7 and below incorrectly throw when an explicit undefined precision is passed (#340)
• [Fix] String#lastIndexOf: ensure the correct length in IE 8
• [Fix] ensure parseInt accepts negative and plus-prefixed hex values (#332)
• [Robustness] Use a bound Array#push instead of relying on Function#call
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs
• [Tests] Add some conditionals to avoid impossible-to-fix test failures in IE 6-8, due to it being unable to distinguish between undefined and an absent index (#114)
• [Tests] Fix false negatives in IE 6-8 with jasmine comparing arrays to arraylikes (#114)
• [Tests] add additional Array#shift tests (#337)
• [Tests] Add additional Array#splice tests (#339)
• [Tests] Add Array#pop tests, just in case (#338)
• [Tests] include global tests in HTML test files
• [Tests] Make sure the HTML tests run with the right charset
• [Tests] ensure node v0.8 tests stay passing.
• [Tests] Prevent nondeterminism in the tests - this sometime produced values that are one ms off
• [Tests] on node v5.0
• [Tests] fix npm upgrades for older nodes

4.2.1

• [shim: fix] use Array#slice, not String#slice, on String#split output (#380)

4.2.0

• [shim: new] Overwrite String#lastIndexOf in IE 9, 10, 11, and Edge, so it has proper unicode support.
• [Dev Deps] update eslint, jscs

4.1.16

• [shim: fix] use Array#slice, not String#slice, on String#split output (#380)

4.1.15

• [shim: fix] new Date + Date.parse: Fix a Safari 8 & 9 bug where the ms arg is treated as a signed instead of unsigned int (#329)
• [shim: fix] add 'frame' to blacklisted keys (#330)
• [Dev Deps] update eslint, @ljharb/eslint-config, jscs, uglify-js
• [Tests] on node v4.2
• [Tests] Date: prevent nondeterminism in the tests - this sometime produced values that are one ms off

4.1.14

• [shim: fix] Wrap more things in a try/catch, because IE sucks and sometimes throws on [[Get]] of window.localStorage (#327)
• [Refactor] Use ES.ToUint32 instead of inline >>>
• [Tests] up to node v4.1
• [Dev Deps] update eslint, @ljharb/eslint-config, semver, jscs

4.1.13

• [shim: fix] Fix a bug where Date(x) threw instead of equalling String(Date(x)) (#326)

4.1.12

• [fix] Make sure uglify doesn't remove function names
• [shim: fix] Use is-arguments implementation; don't call down legacy code path in modern engines (#325)
• [Tests] up to io.js v3.3
• [Dev Deps] update eslint, @ljharb/eslint-config

4.1.11

• [shim: fix] Object.keys in Safari 9 has some bugs. (Already fixed in Webkit Nightly)
• [shim: fix] Omit !Date.parse check in the if statement (#323)
• [sham: fix] Fix Object.create sham to not set proto (#301)
• [sham: fix] Add a typeof check to Object.getPrototypeOf (#319, #320)
• [Tests] up to io.js v3.1
• [Tests] Make sure Object.getPrototypeOf tests don't fail when engines implement ES6 semantics
• [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG (#318)
• [Dev Deps] Update eslint, uglify-js, jscs; use my personal shared eslint config

4.1.10

• [Fix] Fix IE 8 issue with window.frameElement access in a child iframe (#322)
• [Tests] Consolidating Date.parse extended year tests
• [Tests] Account for a Date.parse precision variance in Safari 8
• [Tests] DRY up some Date.parse tests
• [Tests] Don't create globals in Date tests
• [Tests] Better failure output when an invalid date's toJSON throws
• [Tests] Also compare lengths of array-likes
• [Tests] Extra check on Object.keys(arguments)
• [Tests] Skip appropriate tests when objects aren't extensible/freezeable/sealable

4.1.9

• [Fix] Remove "extended", add "unicode" in String#split shim, to match ES6
• [Fix] Object.keys: Preserve the IE 8 dontEnum bugfix, and the automation equality bugfix.
• [Fix] Object.keys: Prevent a deprecation message from showing up in Chrome.
• [Performance] Speed up blacklisted key check for Object.keys automation equality bug.
• [Tests] Test on io.js v2.4
• [Dev Deps] Update eslint, semver

4.1.8

• [Fix] Fix an Object.keys IE 8 bug where localStorage.prototype.constructor === localStorage would throw (#275)
• [Fix] Shimmed Object.defineProperty should not throw for an empty descriptor (#315)
• [Fix] Fix Date#toISOString in Safari 5.1 (#243)
• [Fix] Use Object#propertyIsEnumerable to default the initial "enumerable" value in Object.getOwnPropertyDescriptor sham (#289)
• [Fix] Fix Array#splice with large sparse arrays in Safari 7/8, and Opera 12.15 (#295)
• [Robustness] Safely use and reference many builtins internally (also see #313)
• [Tests] Add Date#{getUTCDate,getUTCMonth} tests to expose Opera 10.6/11.61/12 Date bugs
• [Dev Deps] Update eslint

4.1.7

• Make sure Date.parse is not enumerable (#310)

4.1.6

• Support IE 8 when document.domain is set (#306, #150)
• Remove version from bower.json (#307)

4.1.5

• Add a failing runtime check for Safari 8 Date.parse
• Update eslint, semver
• Test on io.js v2.2

4.1.4

• Make sure copied Date properties remain non-enumerable.
• Using a more reliable check for supported property descriptors in non-IE ES3
• Fix 'constructor' in Object.defineProperties sham in ES3 (#252, #305)
• Use a reference to Array#concat rather than relying on the runtime environment's concat.
• Test on io.js v2.1
• Clean up Array.prototype iteration methods

4.1.3

• Update license in package.json per https://docs.npmjs.com/files/package.json#license
• Update uglify-js, eslint

4.1.2

• In IE 6-8, Date inside the function expression does not reference DateShim (#303)
• Date: Ensure all code paths have the correct constructor property
• Date: Don't copy non-own properties from original Date
• Test up to io.js v2.0.0
• Simplify isPrimitive check.
• Adding sanity check tests for ES5 Number constants.
• Update uglify-js, eslint, semver

4.1.1

• Fix name of parseInt replacement.
• Update copyright year
• Update eslint, jscs
• Lock uglify-js down to v2.4.17, since v2.4.18 and v2.4.19 have a breaking change.
• All grade A-supported node/iojs versions now ship with an npm that understands ^.
• Run travis-ci tests on latest node and iojs; speed up builds; allow 0.8 failures.
• Ensure some Object tests don't fail in ES6
• Make sure Date instances don't have an enumerable constructor property, when possible.

4.1.0

• Update eslint
• Improve type checks: Array.isArray, isRegex
• Replace isRegex/isString/isCallable checks with inlined versions from npm modules
• Note which ES abstract methods are replaceable via es-abstract
• Run travis-ci tests on iojs!

4.0.6

• Update jscs, uglify-js, add eslint
• es5-sham: fix Object.defineProperty to not check for own properties (#211)
• Fix Array#splice bug in Safari 5 (#284)
• Fix Object.keys issue with boxed primitives with extra properties in older browsers. (#242, #285)

4.0.5

• Update jscs so tests pass

4.0.4

• Style/indentation/whitespace cleanups.
• README tweaks

4.0.3

• Fix keywords (#268)
• add some Date tests
• Note in README that the es5-sham requires the es5-shim (#256 (comment))

4.0.2

• Start including version numbers in minified files (#267)

4.0.1

• Fix legacy arguments object detection in Object.keys (#260)

4.0.0

• No longer shim the ES5-spec behavior of splice when deleteCount is omitted - since no engines implement it, and ES6 changes it. (#255)
• Use Object.defineProperty where available, so that polyfills are non-enumerable when possible (#250)
• lots of internal refactoring
• Fixed a bug referencing String#indexOf and String#lastIndexOf before polyfilling it (#253, #254)

3.4.0

• Removed nonstandard SpiderMonkey extension to Array#splice - when deleteCount is omitted, it's now treated as 0. (#192, #239)
• Fix Object.keys with Arguments objects in Safari 5.0
• Now shimming String#split in Opera 10.6
• Avoid using "toString" as a variable name, since that breaks Opera
• Internal implementation and test cleanups

3.3.2

• Remove an internal "bind" call, which should make the shim a bit faster
• Fix a bug with object boxing in Array#reduceRight that was failing a test in IE 6

3.3.1

• Fixing an Array#splice bug in IE 6/7
• cleaning up Array#splice tests

3.3.0

• Fix Array#reduceRight in node 0.6 and older browsers (#238)

3.2.0

• Fix es5-sham UMD definition to work properly with AMD (#237)
• Ensure that Array methods do not autobox context in strict mode (#233)

3.1.1

• Update minified files (#231)

3.1.0

• Fix String#replace in Firefox up through 29 (#228)

3.0.2

• Fix Function#bind in IE 7 and 8 (#224, #225, #226)

3.0.1

• Version bump to ensure npm has newest minified assets

3.0.0

• es5-sham: fix Object.getPrototypeOf and Object.getOwnPropertyDescriptor for Opera Mini
• Better override noncompliant native ES5 methods: Array#forEach, Array#map, Array#filter, Array#every, Array#some, Array#reduce, Date.parse, String#trim
• Added spec-compliant shim for parseInt
• Ensure Object.keys handles more edge cases with arguments objects and boxed primitives
• Improve minification of builds

2.3.0

• parseInt is now properly shimmed in ES3 browsers to default the radix
• update URLs to point to the new organization

2.2.0

• Function.prototype.bind shim now reports correct length on a bound function
• fix node 0.6.x v8 bug in Array#forEach
• test improvements

2.1.0

• Object.create fixes
• tweaks to the Object.defineProperties shim

2.0.0

• Separate reliable shims from dubious shims (shams).

1.2.10

• Group-effort Style Cleanup
• Took a stab at fixing Object.defineProperty on IE8 without bad side-effects. (@hax)
• Object.isExtensible no longer fakes it. (@xavierm)
• Date.prototype.toISOString no longer deals with partial ISO dates, per spec (@kitcambridge)
• More (mostly from @bryanforbes)

1.2.9

• Corrections to toISOString by @kitcambridge
• Fixed three bugs in array methods revealed by Jasmine tests.
• Cleaned up Function.prototype.bind with more fixes and tests from @bryanforbes.

1.2.8

• Actually fixed problems with Function.prototype.bind, and regressions from 1.2.7 (@bryanforbes, @jdalton #36)

1.2.7 - REGRESSED

• Fixed problems with Function.prototype.bind when called as a constructor. (@jdalton #36)

1.2.6

• Revised Date.parse to match ES 5.1 (kitcambridge)

1.2.5

• Fixed a bug for padding it Date..toISOString (tadfisher issue #33)

1.2.4

• Fixed a descriptor bug in Object.defineProperty (raynos)

1.2.3

• Cleaned up RequireJS and <script> boilerplate

1.2.2

• Changed reduce to follow the letter of the spec with regard to having and owning properties.
• Fixed a bug where RegExps pass as Functions in some engines in reduce.

1.2.1

• Adding few fixes to make jshint happy.
• Fix for issue #12, function expressions can cause scoping issues in IE.
• NPM will minify on install or when npm run-script install is executed.
• Adding .gitignore to avoid publishing dev dependencies.

1.2.0

• Making script loadable as AMD module.
• Adding indexOf to the list of safe shims.

1.1.0

• Added support for accessor properties where possible (which is all browsers except IE).
• Stop exposing bound function's (that are returned by Function.prototype.bind) internal properties (bound, boundTo, boundArgs) as in some cases (when using facade objects for example) capabilities of the enclosed functions will be leaked.
• Object.create now explicitly sets __proto__ property to guarantee correct behavior of Object.getPrototypeOf's on all objects created using Object.create.
• Switched to === from == where possible as it's slightly faster on older browsers that are target of this lib.
• Added names to all anonymous functions to have a better stack traces.

1.0.0

• fixed Date.toISODate, using UTC accessors, as in http://code.google.com/p/v8/source/browse/trunk/src/date.js?r=6120#986 (arian)

0.0.4

• Revised Object.getPrototypeOf to work in more cases in response to https://johnresig.com/blog/objectgetprototypeof/ [issue #2] (fschaefer)

0.0.3

• Fixed typos in Object.keys (samsonjs)

0.0.2 Per kangax's recommendations:

• faster Object.create(null)
• fixed a function-scope function declaration statement in Object.create

0.0.1

• fixed Object.create(null), in so far as that's possible
• reworked Rhino Object.freeze(Function) bug detector and patcher

0.0.0

• forked from narwhal-lib