[1] [[DOM]] 0+ の読取専用属性 [DFN[[CODE[[VAR(DOMi)[[[HTMLDocument]]]].[CODE(DOMa)[referrer]]]],]]
[[MathML]] の読取専用属性
[DFN[[CODE[[VAR(DOMi)[[[MathMLDocument]]]].[CODE(DOMa)[referrer]]]],]]
[[SVG]] の読取専用属性
[DFN[[CODE[[VAR(DOMi)[[[SVGDocument]]]].[CODE(DOMa)[referrer]]]]]]
は、その頁の [[Referer]] [[URI]] を返します。
この属性値の型は [CODE(DOM)[[[DOMString]]]] です。

[[リンク]]を辿ってきたのではないような場合には、
HTML と SVG では空文字列に、 MathML では [CODE(DOM)[[[null]]]]
になります。

* 歴史

[REFS[
- [DOM 1 FE]
<http://www.w3.org/TR/1998/REC-DOM-Level-1-19981001/level-one-html.html#attribute-referrer>
- [DOM 1 SE]
<http://www.w3.org/TR/2000/WD-DOM-Level-1-20000929/level-one-html.html#ID-95229140>
- [DOM 2] <http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-95229140>
- [MathML 2]
<http://www.w3.org/TR/MathML2/appendixd.html#dom.Document>
- [SVG 1.0]
<http://www.w3.org/TR/SVG10/struct.html#InterfaceSVGDocument>
- [SVG 1.1]
<http://www.w3.org/TR/SVG11/struct.html#InterfaceSVGDocument>
- [1236] [CITE[Document Structure – SVG 1.1 (Second Edition)]]
( ([TIME[2011-08-10 12:35:27 +09:00]] 版))
<http://www.w3.org/TR/2011/REC-SVG11-20110816/struct.html#__svg__SVGDocument__referrer>
]REFS]

* 実装

[REFS[
- [2]
<http://www.microsoft.com/japan/msdn/library/ja/jpisdk/dhtml/references/properties/referrer.asp?FRAME=true#referrer>
- [3] 
''referrer Property (document) (Internet Explorer)'' <http://msdn.microsoft.com/workshop/author/dhtml/reference/properties/referrer.asp>
]REFS]

* メモ

[1237] こちらは [[referer]] ではなく [[refe''rr''er]] です。

[1238] [CITE[''''''[''''''whatwg'''''']'''''' <meta name="referrer">]]
( ([TIME[2011-10-26 08:31:13 +09:00]] 版))
<http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2011-October/033617.html>

[1239] [CITE@en[Meta referrer - WHATWG Wiki]]
( ([TIME[2011-10-26 08:13:15 +09:00]] 版))
<http://wiki.whatwg.org/wiki/Meta_referrer>

[1240] [CITE[Document Object Model for MathML]]
( ([TIME[2001-02-20 21:36:10 +09:00]] 版))
<http://www.w3.org/TR/2001/REC-MathML2-20010221/appendixd.html#dom_Document>

[1241] [CITE[Document Object Model for MathML]]
( ([TIME[2002-05-23 15:35:03 +09:00]] 版))
<http://www.w3.org/Math/DOM/mathml2/appendixd.html#dom_Document>

[1242] [CITE@en[Web Applications 1.0 r7710 Integrate with URL standard.]]
( ([TIME[2013-02-09 11:07:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7709&to=7710>

[1243] [CITE@en[Web Applications 1.0 r7762     I totally broke document.referrer a few weeks ago.]]
( ([TIME[2013-03-22 03:22:00 +09:00]] 版))
<http://html5.org/tools/web-apps-tracker?from=7761&to=7762>

[1244] [CITE[''''''[''''''whatwg'''''']'''''' Question about document.referrer (and document.URL, document.location.href) when IDN domains are in use]]
( ([TIME[2013-07-13 07:02:52 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-July/040031.html>

[1245] [CITE[''''''[''''''whatwg'''''']'''''' Question about document.referrer (and document.URL, document.location.href) when IDN domains are in use]]
( ([TIME[2013-09-10 23:02:32 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2013-September/040748.html>

[1246] [CITE[Bug 61576 – Consider adding "scrub-referrer" directive to CSP]]
( ([TIME[2013-10-13 02:12:25 +09:00]] 版))
<https://bugs.webkit.org/show_bug.cgi?id=61576>

[1247] [CITE@en[Content Security Policy 1.1]] ([TIME[2013-10-13 02:14:40 +09:00]] 版) <https://dvcs.w3.org/hg/content-security-policy/raw-file/tip/csp-specification.dev.html#referrer>


[1248] [CITE[restrict-referrer-leakage.txt on Ticket #127 – Attachment – tahoe-lafs]]
( ([TIME[2013-10-13 02:50:58 +09:00]] 版))
<https://tahoe-lafs.org/trac/tahoe-lafs/attachment/ticket/127/restrict-referrer-leakage.txt>

[1249] [CITE@en[Privacy/Features/Shortened HTTP Referer header - MozillaWiki]]
( ([TIME[2013-08-10 14:11:55 +09:00]] 版))
<https://wiki.mozilla.org/Privacy/Features/Shortened_HTTP_Referer_header>

[1250] [CITE@ja[Protecting Privacy with Referrers]]
( ([TIME[2013-10-13 02:52:44 +09:00]] 版))
<http://www.facebook.com/notes/facebook-engineering/protecting-privacy-with-referrers/392382738919>

[1251] [CITE@en[''''''[''''''whatwg'''''']'''''' Feedback on Meta referrer]]
( ([[Adam Barth]] 著, [TIME[2012-01-26 18:48:18 +09:00]] 版))
<http://lists.w3.org/Archives/Public/public-whatwg-archive/2012Jan/0243.html>

[1252] [CITE@en[ISSUE-39: Discuss CSP relevant use cases for possibly including Meta Referrer as a CSP directive - Web Application Security Working Group Tracker]]
( ([TIME[2013-10-13 03:01:35 +09:00]] 版))
<http://www.w3.org/2011/webappsec/track/issues/39>