* 仕様書

[REFS[
- [18] [CITE@en[High Resolution Time Level 2]] ([TIME[2016-02-26 04:49:50 +09:00]]) <https://w3c.github.io/hr-time/>
]REFS]

* 歴史

[1] [CITE@en[High Resolution Time]]
( ([TIME[2012-03-13 02:35:59 +09:00]] 版))
<http://www.w3.org/TR/2012/WD-hr-time-20120313/>

[2] [CITE@en[High Resolution Time]]
( ([TIME[2012-12-13 06:52:10 +09:00]] 版))
<http://www.w3.org/TR/2012/REC-hr-time-20121217/>

[3] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-09-17 05:08:12 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20150916/>

[4] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-09-18 23:00:51 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20150918/>

[5] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-09-29 01:28:27 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20150928/>

[6] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-10-22 02:23:46 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20151021/>

[7] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-10-29 04:03:51 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20151028/>

[8] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-11-12 04:24:20 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20151111/>

[9] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-11-12 22:29:48 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20151112/>

[10] [CITE@en[Improved status a bit more and made it available for wide review · w3c/hr-time@d4a354d]]
([TIME[2015-11-17 16:35:18 +09:00]] 版)
<https://github.com/w3c/hr-time/commit/d4a354d82e6a68b3172d466dc15791d6c34b29b2>

[11] [CITE@en[High Resolution Time Level 2]]
([TIME[2015-11-17 05:00:07 +09:00]] 版)
<http://www.w3.org/TR/2015/WD-hr-time-2-20151116/>

[12] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-01-22 23:30:35 +09:00]] 版)
<https://rawgit.com/w3c/hr-time/hr-time-2-CR/index.html>

[13] [CITE@en[CR Draft for new hr-time REC]]
([[Philippe Le Hegaret]] 著, [TIME[2016-01-22 06:35:24 +09:00]] 版)
<https://lists.w3.org/Archives/Public/public-web-perf/2016Jan/0003.html>

[14] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-02-03 07:44:00 +09:00]] 版)
<https://www.w3.org/TR/2016/WD-hr-time-2-20160202/>

[15] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-02-04 04:04:40 +09:00]] 版)
<https://www.w3.org/TR/2016/WD-hr-time-2-20160203/>

[16] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-02-05 06:14:33 +09:00]] 版)
<https://www.w3.org/TR/2016/WD-hr-time-2-20160204/>

[17] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-02-26 04:51:07 +09:00]] 版)
<https://www.w3.org/TR/2016/WD-hr-time-2-20160225/>

[19] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-07-14 01:21:33 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-2-20160713/>

[20] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-07-21 02:38:18 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-2-20160720/>

[21] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-10-08 23:22:34 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-2-20161008/>

[22] [CITE@en[High Resolution Time Level 3]]
([TIME[2016-10-25 01:08:19 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-2-20161024/>

[23] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-10-26 01:00:50 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-2-20161025/>

[24] [CITE@en[High Resolution Time Level 2]]
([TIME[2016-10-28 05:19:27 +09:00]])
<https://www.w3.org/TR/2016/CR-hr-time-2-20161101/>

[25] [CITE@en[High Resolution Time Level 3]]
([TIME[2016-11-01 06:38:57 +09:00]])
<https://www.w3.org/TR/2016/WD-hr-time-3-20161031/>

[26] [CITE@en[Call for Exclusions: High Resolution Time Level 2]]
([[Xueyuan Jia]]著, [TIME[2016-11-01 17:18:10 +09:00]])
<https://lists.w3.org/Archives/Public/public-web-perf/2016Nov/0000.html>

[27] [CITE@en[Call for Exclusions: High Resolution Time Level 3]]
([[Xueyuan Jia]]著, [TIME[2016-11-01 17:31:25 +09:00]])
<https://lists.w3.org/Archives/Public/public-web-perf/2016Nov/0002.html>

[28] [CITE@en[Call for Exclusions (Updates): High Resolution Time Level 3; User  Timing Level 2; Resource Timing Level 2]]
([[Coralie Mercier]]著, [TIME[2017-02-02 20:09:00 +09:00]])
<https://lists.w3.org/Archives/Public/public-web-perf/2017Feb/0001.html>

[29] [CITE@en[Use software license]]
([[plehegar]]著, [TIME[2017-03-25 05:25:53 +09:00]])
<https://github.com/w3c/hr-time/commit/f84f6ee6ccc8b2ce9a4d511be82a89df9b3719d2>

[30] [CITE@en[High Resolution Time]]
([TIME[2015-11-30 23:57:01 +09:00]])
<https://www.w3.org/2015/11/hr-time-1.html>

[FIG(quote)[
[FIGCAPTION[
[31] [CITE@en[High Resolution Time]]
([TIME[2015-12-01 17:30:27 +09:00]])
<https://www.w3.org/TR/2012/REC-hr-time-20121217/>
]FIGCAPTION]

> This specification is outdated and currently not maintained. The Web Performance Working Group encourages authors and implementors to use High Resolution Time Level 2 (or its successor) instead of this document.

]FIG]


[32] [CITE@en[Test driven (#47)]]
([[plehegar]]著, [TIME[2017-05-05 03:11:24 +09:00]])
<https://github.com/w3c/hr-time/commit/9552c54e25d31a40bf87db666b1aa1a8e3a0f685>

[33] [CITE@en[Call for Exclusions: High Resolution Time Level 2]]
([[Xueyuan]]著, [TIME[2017-08-03 22:25:36 +09:00]])
<https://lists.w3.org/Archives/Public/public-web-perf/2017Aug/0001.html>

[34] [CITE@en[High Resolution Time Level 2]]
([TIME[2017-08-03 10:02:37 +09:00]])
<https://www.w3.org/TR/2017/CR-hr-time-2-20170803/>

[35] [CITE@en[Meltdown/Spectre  |  Web  |  Google Developers]]
([TIME[2018-02-08 00:05:08 +09:00]])
<https://developers.google.com/web/updates/2018/02/meltdown-spectre>

[36] [CITE@en[High Resolution Time Level 2]]
([TIME[2018-03-01 06:54:55 +09:00]])
<https://www.w3.org/TR/2018/CR-hr-time-2-20180301/>