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[css-contain-3] Make content-visibility animatable. #8737

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Apr 20, 2023
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[css-contain-3] Make content-visibility animatable. #8737

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[css-contain-3] Make content-visibility animatable.
Apr 19, 2023
11107ac
Add entry to changelog.
Apr 20, 2023
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24 changes: 24 additions & 0 deletions css-contain-3/Overview.bs
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Expand Up @@ -1060,8 +1060,30 @@ The <code>CSSContainerRule</code> interface</h3>
Suppressing An Element’s Contents Entirely: the 'content-visibility' property {#content-visibility}
=================

<pre class=propdef>
Name: content-visibility
Value: visible | auto | hidden
Initial: visible
Inherited: no
Applies to: elements for which [=size containment=] can apply
Animation type: see [[#content-visibility-animation]]
</pre>

Issue: [[css-contain-2#content-visibility]]

<h3 id='content-visibility-animation'>
Animating and Interpolating 'content-visibility'</h3>

In general,
the 'content-visibility' property’s [=animation type=] is [=discrete=].
However,
similar to interpolation of 'visibility'
(see [[web-animations-1#animating-visibility]]),
during interpolation between ''content-visibility/hidden''
and any other 'content-visibility' value,
<var>p</var> values between 0 and 1
map to the non-''content-visibility/hidden'' value.

Privacy Considerations {#privacy}
=================================

Expand Down Expand Up @@ -1097,6 +1119,8 @@ Changes since the 18 August 2022 Working Draft</h3>
* Correct typo in 'container-type' syntax, to clarify that ''normal'' cannot
be combined with other values.
(<a href="https://github.com/w3c/csswg-drafts/issues/7669">Issue 7669</a>)
* Make the 'content-visibility' property animatable.
(<a href="https://github.com/w3c/csswg-drafts/issues/8627">Issue 8627</a>)

<h3 id="changes-2021-12">
Changes since the 21 December 2021 First Public Working Draft</h3>
Expand Down