* 歴史

[11] [CITE[IRC logs: freenode / #whatwg / 20100106]]
([TIME[2010-01-07 23:50:02 +09:00]] 版)
<http://krijnhoetmer.nl/irc-logs/whatwg/20100106#l-365>

[12] [CITE@en-us[hidden Property (EMBED, HTMLEmbedElement Constructor)]]
([TIME[2010-03-14 22:58:23 +09:00]] 版)
<http://msdn.microsoft.com/en-us/library/ms533782(VS.85).aspx>

[13] [CITE@en[Safari Dev Center: Safari HTML Reference: Supported Attributes]]
([TIME[2010-03-20 17:49:52 +09:00]] 版)
<http://developer.apple.com/safari/library/documentation/AppleApplications/Reference/SafariHTMLRef/Articles/Attributes.html#//apple_ref/html/attribute/hidden>

[14] [CITE@en[Web Applications 1.0 r6895   Tweak hidden=[[']][[']]'s definition a bit to be more consistent with likely usage scenarios.]]
( ([TIME[2012-01-14 07:11:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=6894&to=6895>

[15] [CITE@en[Web Applications 1.0 r7284  Ignore hidden='' elements in outlines.]]
( ([TIME[2012-08-28 05:04:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7283&to=7284>

[16] [CITE[IRC logs: freenode / #whatwg / 20121006]]
( ([TIME[2012-10-11 21:31:55 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20121006>

[17] [CITE@en[Web Applications 1.0 r7453     Improve compatibility for <embed hidden>]]
( ([TIME[2012-10-12 04:55:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7452&to=7453>

[18] [CITE[''''''[''''''whatwg'''''']'''''' hidden="" should be "display:none !important" in the UA stylesheet]]
( ([TIME[2012-11-14 08:04:25 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/037907.html>

[20] [CITE@en[Web Applications 1.0 r4846   Cover more possible misuses for hidden=''. Anyone got good suggestions of short examples where hidden='' is useful? All the examples I can think of are huge...]]
( ([TIME[2010-03-13 09:37:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=4845&to=4846>

[23] [CITE[''''''[''''''whatwg'''''']'''''' hidden attribute useless with display: flex?]]
( ([TIME[2014-04-30 21:39:49 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2014-April/254191.html>

[24] [CITE@en[Web Applications 1.0 r8843 Update the way some of the selectors are written to use more modern selector features.]]
( ([TIME[2014-10-29 03:39:00 +09:00]] 版))
<https://html5.org/r/8843>

[FIG(quote)[
[FIGCAPTION[
[25] [CITE[BB Programming Lab.]]
([TIME[2000-11-25 12:22:17 +09:00]] 版)
<http://hp.vector.co.jp/authors/VA011973/prg_plgin1.htm>
]FIGCAPTION]

> 「embedの隠し」は、HIDDEN属性を追加します。 
> 【例】
> <EMBED SRC="audiplay.aiff" TYPE="audio/x-aiff" HIDDEN>

]FIG]


[1] [[Google検索]]の結果には [CODE[hidden][hidden=""]] な[[要素]]の[[内容]]も表示されてしまうようです。[TIME[2017-07-01T08:28:35.800Z]]