[1]
[CITE@ja[てすと - Re: JavaScriptで変数(オブジェクト)が配列かどうかを知る方法]] ([[わかば]] 著, [TIME[2007-03-18 16:43:38 +09:00]] 版) <http://koton.jp/w/1/>
([[名無しさん]] [WEAK[2007-03-18 07:45:22 +00:00]])

[2] [CITE@en[Ajaxian » Working aroung the instanceof memory leak]] ([TIME[2009-01-26 10:36:40 +09:00]] 版) <http://ajaxian.com/archives/working-aroung-the-instanceof-memory-leak>

[3] [CITE[JavaScriptのオブジェクト判定tips - Ci.nsIZIGOROu - Mozilla 拡張機能勉強会]] ([TIME[2009-02-01 19:19:19 +09:00]] 版) <http://moz-addon.g.hatena.ne.jp/ZIGOROu/20080526/1211785186>

[4] >>3 これは盲点だね。

[5] [CITE@en[Solving the "how do I tell whether I have an HTML element?" (or image  element, or whatever) problem]]
([[Boris Zbarsky]]著, [TIME[2013-01-01 13:33:06 +09:00]])
<https://lists.w3.org/Archives/Public/public-script-coord/2013JanMar/0001.html>

[6] [CITE@en[Should probably spec a hasInstance for DOM interface objects · Issue #129 · heycam/webidl]]
([TIME[2017-04-13 15:26:03 +09:00]])
<https://github.com/heycam/webidl/issues/129>

[7] [CITE@en[Remove custom '''[''''''['''HasInstance''']'''''']''' behaviors]]
([[domenic]]著, [TIME[2017-05-04 14:11:49 +09:00]])
<https://github.com/heycam/webidl/commit/d0899e98e175282871c1e4597af75907d5b04993>