[9] supported property names により作られる特性は、 列挙可能が基本ですが、列挙不能なこともあります。
legacycaller
Object
HTMLCollection
DOM StandardHTMLAllCollection
HTML StandardHTMLFormControlsCollection
HTML StandardHTMLOptionsCollection
HTML StandardHTMLFormElement
HTML StandardWindow
HTML StandardPluginArray
HTML StandardnamedItem
Plugin
HTML StandardnamedItem
MimeTypeArray
HTML StandardnamedItem
Storage
HTML StandardgetItem
CSSStyleDeclaration
HTMLPropertiesCollection
HTML Standard (廃止)[1] Web Applications 1.0 r8010 Make the empty string no longer be a possible index for most objects that can be indexed by name. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=8009&to=8010
[3] Re: Violations of internal method invariants? ( (Boris Zbarsky 著, 版)) http://lists.w3.org/Archives/Public/public-script-coord/2014JulSep/0140.html
[4] Merge pull request #45 from bzbarsky/introduce-set-trap · 8d06953 · heycam/webidl ( 版) https://github.com/heycam/webidl/commit/8d069531d2bf4e794b53bc496a4499af9d124bc9
[5] Re: Defining a [[Set]] internal method for platform objects (Boris Zbarsky 著, 版) https://lists.w3.org/Archives/Public/public-script-coord/2015JanMar/0196.html
[6] Web Applications 1.0 r6136 Add some warnings in areas where the spec might change based on implementation changes. ( ( 版)) http://html5.org/tools/web-apps-tracker?from=6135&to=6136
[7] Bug 6036 – HTMLCollection.namedItem() should look for non-HTML elements ( ( 版)) https://www.w3.org/Bugs/Public/show_bug.cgi?id=6036
[8] Define HTMLCollection's named properties better. Also widen the element-... · 1400a64 · whatwg/dom ( ( 版)) https://github.com/whatwg/dom/commit/1400a64aff1f2155f9cfa935624b4bfbc4f7c66b
[10] Fix #141: NamedNodeMap's supported property names should not contain … · whatwg/dom@5dbefd1 ( 版) https://github.com/whatwg/dom/commit/5dbefd1035c5528e236a8b13dabcbd6c649e2d3e
[11] Formalize custom element reactions · whatwg/html@27aa7bc ( 版) https://github.com/whatwg/html/commit/27aa7bc4fa6f168654a8c858f0773e611f679b39
[12] Clean up named and indexed property algorithm definitions ( (domenic著, )) https://github.com/whatwg/html/commit/9b4394f9a03d6910b772f17252259d99f208ce73
[13] Make Window and Document named/indexed properties exclude shadow trees (domenic著, ) https://github.com/whatwg/html/commit/7b567729ac3cc66b074b0df53138c353ec540bb9
[14] 22320 – Form's supported property names should perhaps not be enumerable () https://www.w3.org/Bugs/Public/show_bug.cgi?id=22320
[15] Change to named property visibility algorithm. (#174) (bzbarsky著, ) https://github.com/heycam/webidl/commit/9ea873f9be2c5c74967f4a8019f2c86bfb715236
[16] Make [[PreventExtensions]] fail for objects w/ named/indexed props. (#… (tobie著, ) https://github.com/heycam/webidl/commit/917525e5ffdeafe31f580786767b326554139499
[17] Add legacy platform objects. (#230) (tobie著, ) https://github.com/heycam/webidl/commit/379685767dce3f953e187a2a8f3cb492b9b56649
[18] Editorial: objects support named/index properties by extension (#273) (tobie著, ) https://github.com/heycam/webidl/commit/ca94c43fe04faa35cc6c5f3ad3dce45226df3055
[19] Remove <applet> (zcorpan著, ) https://github.com/whatwg/html/commit/b9b9d60f9451c05f8e8d542e4094f987ae1a5fb8
[20] <a> and <area> are not window named objects (ayg著, ) https://github.com/whatwg/html/commit/9c209523143cb97551799e185e2a5d2750854bda
[21] <a> and <area> are not window named objects by annevk · Pull Request #3013 · whatwg/html () https://github.com/whatwg/html/pull/3013
[22] Check ignoreNamedProps before the named property visibility algorithm. (Ms2ger著, ) https://github.com/heycam/webidl/commit/a9673c81278bb46643b4177ff82dc1d4aab64c93
[23] Check ignoreNamedProps before the named property visibility algorithm. by Ms2ger · Pull Request #625 · heycam/webidl () https://github.com/heycam/webidl/pull/625
[24] Editorial: Shorten the conditions in the [[Set]] algorithm (Ms2ger著, ) https://github.com/heycam/webidl/commit/059491b4de91fdc45d26d9f2c48a6a6a0c3eb3e6
[25] Editorial: Shorten the conditions in the [[Set]] algorithm by Ms2ger · Pull Request #713 · heycam/webidl () https://github.com/heycam/webidl/pull/713
[26] Remove a check for array index in [[Set]] (Ms2ger著, ) https://github.com/heycam/webidl/commit/a395a59dcfa6cae77cb5c5647b25baeec09db5e5
[27] Remove a check for array index in [[Set]] by Ms2ger · Pull Request #706 · heycam/webidl () https://github.com/heycam/webidl/pull/706