Re: [csswg-drafts] [css-animations-2] Add / separator before animation-trigger exit range (#11948)

The CSS Working Group just discussed `[css-animations-2] Add / separator before animation-trigger exit range`, and agreed to the following:

* `RESOLVED: Add / delimiter to syntax for animation-trigger`

<details><summary>The full IRC log of that discussion</summary>
&lt;kbabbitt> ydaniv: context: talking about animation behaviors<br>
&lt;kbabbitt> ... more specifically scroll triggered animations<br>
&lt;kbabbitt> ... what we have is animation that triggered when an element enters view and it has a view timeline<br>
&lt;kbabbitt> ... and specified range<br>
&lt;kbabbitt> ... set the actual active range, when that range is entered, animation is triggered based on behavior of trigger<br>
&lt;kbabbitt> ... if that behavior is set to repeat, then when the active range is exited, the behavior is to reset the animation<br>
&lt;kbabbitt> ... that can create visual jank<br>
&lt;kbabbitt> ... as we exit range, after user entered default range, then range can be expanded to exit range<br>
&lt;kbabbitt> ... can be specified by developer<br>
&lt;kbabbitt> ... in order to increase range where element needs to exit<br>
&lt;kbabbitt> ... then the author can avoid this visual jank<br>
&lt;kbabbitt> ... this is why you have a default and an exit range<br>
&lt;kbabbitt> ... because these are two values that are the same syntax<br>
&lt;kbabbitt> ... and you have several ways of specifying them<br>
&lt;kbabbitt> ... for example one value, two values, three values, four values<br>
&lt;kbabbitt> ... it can be ambiguous whether you wanted to specify exit range, or use one value for entry and one for exit<br>
&lt;kbabbitt> ... proposal is to add / delimiter<br>
&lt;kbabbitt> Rossen9: any feedback?<br>
&lt;TabAtkins> +1 to the /, I think<br>
&lt;fantasai> +1<br>
&lt;flackr> +1<br>
&lt;kbabbitt> flackr: seems reasonable<br>
&lt;kbabbitt> Proposal: Add / delimiter to syntax for animation-trigger<br>
&lt;kbabbitt> Rossen9: objections?<br>
&lt;kbabbitt> RESOLVED: Add / delimiter to syntax for animation-trigger<br>
</details>


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Received on Wednesday, 16 July 2025 16:50:35 UTC