[1] When should a StyleSheetList collection update? (2015-03-28 06:47:36 +09:00 版) https://miketaylr.com/posts/2014/01/when-should-a-stylesheetlist-update.html

[2] [cssom] Remove [LegacyArrayClass] from CSSOM interfaces. (emilio著, 2018-04-24 04:42:58 +09:00) https://github.com/w3c/csswg-drafts/commit/b05eb1b9c05c22f771aff6a3ae7cdbb4a925522e

[3] [cssom] Why is CSSRuleList [LegacyArrayClass] · Issue #2601 · w3c/csswg-drafts (2018-05-10 11:44:45 +09:00) https://github.com/w3c/csswg-drafts/issues/2601