[2] [DFN[[RUBYB[文脈オブジェクト]@en[context object]]]]とは、
件の[[メソッド]]や[[属性]]が呼ばれているところの[[オブジェクト]]を指します [SRC[>>1]]。

* 仕様書
[REFS[
- [1] [CITE@en-US[DOM Standard]] ([TIME[2012-11-23 14:12:13 +09:00]] 版) <http://dom.spec.whatwg.org/#context-object>
]REFS]

* 歴史

[3] [CITE@en[Editorial: use the Infra Standard]]
([[annevk]]著, [TIME[2016-11-21 20:27:58 +09:00]])
<https://github.com/whatwg/fullscreen/commit/06ae8faa6335bfdcc5c9d9e643c0cb797efbc9d9>

[4] [CITE@en[Editorial: minor cleanup]]
([[annevk]]著, [TIME[2018-04-09 20:57:26 +09:00]])
<https://github.com/whatwg/dom/commit/7a7f7f3bfc70e195e45c50c6f0af4abc25c664d5>

[5] [CITE@en[No longer allow the context object to be omitted]]
([[annevk]]著, [TIME[2018-05-18 23:22:58 +09:00]])
<https://github.com/whatwg/dom/commit/927e9175496c438e6b54fd01393e37ee5f860288>

[6] [CITE@en[No longer allow the context object to be omitted by annevk · Pull Request #647 · whatwg/dom]]
([TIME[2018-05-19 17:50:07 +09:00]])
<https://github.com/whatwg/dom/pull/647>

[7] [CITE@en[No longer allow the context object to be omitted]]
([[annevk]]著, [TIME[2018-05-18 23:22:58 +09:00]])
<https://github.com/whatwg/dom/commit/927e9175496c438e6b54fd01393e37ee5f860288>

[8] [CITE@en[No longer allow the context object to be omitted by annevk · Pull Request #647 · whatwg/dom]]
([TIME[2019-02-18 17:24:17 +09:00]])
<https://github.com/whatwg/dom/pull/647>

[9] [CITE@en[27301 – Define context variables, such as "context object"]]
([TIME[2019-04-02 13:48:11 +09:00]])
<https://www.w3.org/Bugs/Public/show_bug.cgi?id=27301>