[1]
[CITE@en-us[expando Property (attribute, document)]] ([TIME[2007-02-18 01:37:11 +09:00]] 版) <http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/expando.asp>

[2] [CITE@ja-jp[Content Attributes and DOM Expandos Are No Longer Connected (Windows)]]
( ([TIME[2013-07-01 03:50:36 +09:00]] 版))
<http://msdn.microsoft.com/ja-jp/library/ie/gg622931(v=vs.85).aspx>