[1] [CITE[ActionScript3 ブロックスコープの ABC - てっく煮ブログ]] ([TIME[2009-03-31 08:37:55 +09:00]] 版) <http://d.hatena.ne.jp/nitoyon/20090122/block_scope_abc>

[10] [CITE@en[Remove section on top-level `var` statements · whatwg/javascript@9190418]]
([TIME[2016-02-19 22:54:16 +09:00]] 版)
<https://github.com/whatwg/javascript/commit/9190418242c2ef8684a8816bb3d5b698e3e48a0b>


[2] 関連:
[CODE[let]],
[CODE[const]]