[1] append は、通常はリスト等の末尾に項目を追加することを言います。
[3] Issue 255482 - chromium - DOM4: prepend, append, before, after & replace - An open-source project to help move the web forward. - Google Project Hosting ( ( 版)) <https://code.google.com/p/chromium/issues/detail?id=255482>
[4] 911477 – Implement DOM4 methods: prepend(), append(), before(), after() and replace() ( ( 版)) <https://bugzilla.mozilla.org/show_bug.cgi?id=911477>
[5] Mark new APIs as [Unscopeable] https://www.w3.org/Bugs/Public/show_bug.c... · b2eb25f · whatwg/dom ( ( 版)) <https://github.com/whatwg/dom/commit/b2eb25f751cb71a6ffacebe714c27667d3591e6b>
[6] Fix #25: bring back FormData's append()'s filename argument · whatwg/xhr@b0ec31e ( 版) <https://github.com/whatwg/xhr/commit/b0ec31ea3f70b1c465ae54d6d5dcd2acde833ea9>
[7] Define node document for new Text nodes · whatwg/dom@36ef32e ( 版) <https://github.com/whatwg/dom/commit/36ef32ebc6c8318c1da27c2e9fa178398ff401f6>
[8] Add [CEReactions] annotations to mutating methods · whatwg/dom@3cd02d1 ( 版) <https://github.com/whatwg/dom/commit/3cd02d139c159a31fbb400e03932652c72fc7812>