[2] 文脈オブジェクトとは、 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 >>1。
[3] Editorial: use the Infra Standard (annevk著, ) https://github.com/whatwg/fullscreen/commit/06ae8faa6335bfdcc5c9d9e643c0cb797efbc9d9
[4] Editorial: minor cleanup (annevk著, ) https://github.com/whatwg/dom/commit/7a7f7f3bfc70e195e45c50c6f0af4abc25c664d5
[5] No longer allow the context object to be omitted (annevk著, ) https://github.com/whatwg/dom/commit/927e9175496c438e6b54fd01393e37ee5f860288
[6] No longer allow the context object to be omitted by annevk · Pull Request #647 · whatwg/dom () https://github.com/whatwg/dom/pull/647
[7] No longer allow the context object to be omitted (annevk著, ) https://github.com/whatwg/dom/commit/927e9175496c438e6b54fd01393e37ee5f860288
[8] No longer allow the context object to be omitted by annevk · Pull Request #647 · whatwg/dom () https://github.com/whatwg/dom/pull/647
[9] 27301 – Define context variables, such as "context object" () https://www.w3.org/Bugs/Public/show_bug.cgi?id=27301