[1]
[CITE[Bug 1241 - javascript の document.lastModified はローカライズされて表示されるべき]] <http://bugzilla.mozilla.gr.jp/show_bug.cgi?id=1241>
([[名無しさん]])

[2]
[CITE[Bug 4523 - Last-ModifiedフィールドがHTTPヘッダに無い場合、document.lastModifiedが文字化けする]] <http://bugzilla.mozilla.gr.jp/show_bug.cgi?id=4523>
([[名無しさん]])

[3]
[CITE@en[DOM:document.lastModified - MDC]] <http://developer.mozilla.org/en/docs/DOM:document.lastModified>
([[名無しさん]])

[4]
[CITE@[lastModified Property (document)]] <http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/lastmodified.asp>
([[名無しさん]])

[5]
[[Firefox]] 1.5 で試しましたところ、
[[HTTP]] で [CODE(HTTP)@en[[[Last-Modified]]:]]
がなかったり、[[1970年1月1日0時0分0秒]]だったりすると
[CODE(HTTP)@en[[[Date]]:]] になるようです。
([[名無しさん]] [WEAK[2006-12-24 07:12:06 +00:00]])

[6]
[CITE[Bug 99224 &#8211; document.lastModified should be localized]] ([CODE[2007-06-03 01:17:54 +09:00]] 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=99224>
([[名無しさん]])


[7]
[CITE[Bug 107445 &#8211; document.lastModified should read UTC rather than GMT]] ([TIME[2007-06-03 01:19:17 +09:00]] 版) <https://bugzilla.mozilla.org/show_bug.cgi?id=107445>
([[名無しさん]])

[8]
[CITE[about:blank.lastModified]] ([TIME[2008-11-20 12:12:12 +09:00]] 版) <http://suika.fam.cx/~wakaba/-temp/test/dom/document/meta/last-modified/about-blank-1.html>

[[Firefox]] 3
>about:blank's lastModified = "11/20/2008 12:34:02" (now)
>Container's lastModified = "11/20/2008 12:12:12"

[[Opera]] 9.61
>about:blank's lastModified = "Thu, 20 Nov 2008 03:12:12 GMT"
>Container's lastModified = "Thu, 20 Nov 2008 03:12:12 GMT"

;; Open <about:blank>, type <javascript:alert(document.lastModified)> into the address bar, then
a message box says: "January 1, 1970 GMT".

[[Safari]] 3.2
>about:blank's lastModified = ""
>Container's lastModified = "Thu, 20 Nov 2008 03:12:12 GMT"

[[WinIE 7]]
>about:blank's lastModified = "11/20/2008 12:34:48" (now)
>Container's lastModified = "11/20/2008 12:12:12"

;; [[Windows Vista]] [[Japanese]] locale, [[UTC]]+09:00

[9]
[CITE[data:.lastModified]] ([TIME[2008-11-20 12:13:33 +09:00]] 版) <http://suika.fam.cx/~wakaba/-temp/test/dom/document/meta/last-modified/data-1.html>

[[Firefox]] 3
>data:'s lastModified = "11/20/2008 12:36:51" (now)
>Container's lastModified = "11/20/2008 12:13:33"

[[Opera]] 9.61
>data:'s lastModified = "January 1, 1970 GMT"
>Container's lastModified = "Thu, 20 Nov 2008 03:13:33 GMT"

[[Safari]] 3.2: Security error.

[[WinIE 7]]: Does not support data:.

[10]
[CITE[javascript:.lastModified]] ([TIME[2008-11-20 12:23:58 +09:00]] 版) <http://suika.fam.cx/~wakaba/-temp/test/dom/document/meta/last-modified/javascript-1.html>

[[Firefox]] 3
>javascript:'s lastModified = "11/20/2008 12:40:32" (now)
>Container's lastModified = "11/20/2008 12:23:58"

[[Opera 9]]
>javascript:'s lastModified = "January 1, 1970 GMT"
>Container's lastModified = "Thu, 20 Nov 2008 03:23:58 GMT"

[[Safari]] 3.2
>javascript:'s lastModified = ""
>Container's lastModified = "Thu, 20 Nov 2008 03:23:58 GMT"

[[WinIE 7]]
>javascript:'s lastModified = "11/20/2008 12:41:17" (now)
>Container's lastModified = "11/20/2008 12:23:58"



[11] [CITE[IRC logs: freenode / #whatwg / 20101013]]
( ([TIME[2010-10-23 23:42:03 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20101013#l-615>

[12] [CITE[IRC logs: freenode / #whatwg / 20101015]]
( ([TIME[2010-10-24 01:34:42 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20101015#l-399>