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616.txt
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616.txt
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* 仕様書
[REFS[
- [5] [CITE@en[Page Visibility]] ([TIME[2013-05-20 14:28:58 +09:00]] 版) <https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/PageVisibility/Overview.html#pv-prerender>
]REFS]
* [CODE(DOMa)@en[visibilityState]] 属性の値 [CODE(DOM)@en[prerender]] (DOM)
[6] [CODE(DOMi)@en[[[Document]]]] [[オブジェクト]]の [CODE(DOMa)@en[[[visibilityState]]]]
[[属性]]は、[[最上位閲覧文脈]]に含まれている [CODE(DOMi)@en[[[Document]]]] が画面外で読み込まれていて表示されていない時は、
[DFN[[CODE(DOM)@en[[[prerender]]]]]] を返して[['''構いません''']]。 [SRC[>>5]]
;; [7] ただし [CODE(DOM)@en[[[prerender]]]] という値には対応しなくても構わない [SRC[>>5]] とされています。
;; [8] [CODE(JS)@en[[[document.hidden]]]] は[[偽]]になります。
* 歴史
[REFS[
-[1] [CITE@en[Web Developer's Guide to Prerendering in Chrome - Google Chrome — Google Developers]]
( ([TIME[2012-03-31 07:53:52 +09:00]] 版))
<https://developers.google.com/chrome/whitepapers/prerender>
-[2] [CITE[''''''[''''''whatwg'''''']'''''' Prerendering and APIs]]
( ([TIME[2012-04-10 21:01:06 +09:00]] 版))
<http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2012-April/035394.html>
-[3] [CITE[''''''[''''''whatwg'''''']'''''' Proposal: Link prerender events]]
( ([TIME[2012-11-08 01:11:26 +09:00]] 版))
<http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2012-November/037833.html>
-[4] [CITE[''''''[''''''whatwg'''''']'''''' Prerendering and APIs]]
( ([TIME[2012-04-10 21:00:55 +09:00]] 版))
<http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2012-March/035065.html>
]REFS]
[9] [CITE@en[Web Developer's Guide to Prerendering in Chrome - Google Chrome — Google Developers]]
( ([TIME[2012-03-30 22:53:52 +09:00]] 版))
<https://developers.google.com/chrome/whitepapers/prerender?hl=ja>
[10] [CITE@en[Resource Hints]]
( ([TIME[2014-08-05 22:14:16 +09:00]] 版))
<https://igrigorik.github.io/resource-hints/#prerender>
[11] [CITE@en[Add preload/prerender. Still need CSP alignment. See #36 · whatwg/fetch@26e5cca]]
([TIME[2015-04-05 18:50:23 +09:00]] 版)
<https://github.com/whatwg/fetch/commit/26e5cca8ab5bb4b68a8f238f41dd7364d8c276b3>
[12] [CITE@en[Add "prerender" as navigation request context per https://github.com/w3c... · whatwg/fetch@04f7c75]]
([TIME[2015-05-05 11:35:34 +09:00]] 版)
<https://github.com/whatwg/fetch/commit/04f7c7560fdd1d7f09cd1aa62b94794e1cd094a8>