[1] [CITE@en-us[Respond to change with Object.observe - HTML5Rocks Updates]]
( ([TIME[2013-03-02 12:09:17 +09:00]] 版))
<http://updates.html5rocks.com/2012/11/Respond-to-change-with-Object-observe>

[2] [CITE@en[Chromium Blog: Chrome 36 Beta: element.animate(), HTML Imports, and Object.observe()]]
( ([TIME[2014-06-02 22:54:22 +09:00]] 版))
<http://blog.chromium.org/2014/05/chrome-36-beta-elementanimate-html.html>

[3] [CITE[IRC logs: freenode / #whatwg / 20140722]]
( ([TIME[2014-07-23 10:21:17 +09:00]] 版))
<http://krijnhoetmer.nl/irc-logs/whatwg/20140722>

[4] [CITE@en[Object.observe()able properties on the web platform]]
( ([[Domenic Denicola]] 著, [TIME[2014-08-21 00:06:57 +09:00]] 版))
<http://lists.w3.org/Archives/Public/public-script-coord/2014JulSep/0191.html>

[5] [CITE[An update on Object.observe]]
([TIME[2015-11-18 10:59:27 +09:00]] 版)
<https://esdiscuss.org/topic/an-update-on-object-observe>

[FIG(quote)[
[FIGCAPTION[
[6] [CITE[An update on Object.observe]]
([TIME[2015-11-18 11:02:00 +09:00]] 版)
<https://esdiscuss.org/topic/an-update-on-object-observe>
]FIGCAPTION]

> After much discussion with the parties involved, I plan to withdraw the Object.observe proposal from TC39 (where it currently sits at stage 2 in the ES spec process), and hope to remove support from V8 by the end of the year (the feature is used on 0.0169% of Chrome pageviews, according to chromestatus.com).

]FIG]


[7] [CITE@en[27381 – Basing Object.observe() for IDL objects on internal slots]]
( ([TIME[2016-06-03 18:04:59 +09:00]]))
<https://www.w3.org/Bugs/Public/show_bug.cgi?id=27381>

[8] [CITE@en[s/filter/remove unsupported types]]
([[igrigorik]]著, [TIME[2017-10-08 02:53:39 +09:00]])
<https://github.com/w3c/performance-timeline/commit/74a9181d8ac1bfb5410b1f57c94a8d28b11911ed>

[9] [CITE@en[Step 1 of "observe" is not clear · Issue #89 · w3c/performance-timeline]]
([TIME[2017-10-08 21:50:48 +09:00]])
<https://github.com/w3c/performance-timeline/issues/89>