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Differentiate between "children change" steps and "children inserted" steps #1460

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Differentiate between "children change" steps and "children inserted" steps #1460

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Differentiate between "children change" steps and "children inserted"…
noamr Mar 18, 2026
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noamr Mar 18, 2026
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9 changes: 8 additions & 1 deletion dom.bs
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Expand Up @@ -2840,6 +2840,12 @@ that all pending <a>node tree</a> insertions completely finish before more inser
<a for=/>remove</a>, and <a for=/>replace data</a>.
</div>

<div algorithm>
<p><a lt="other applicable specifications">Specifications</a> may define
<dfn export id=concept-node-children-inserted-ext>children inserted steps</dfn> for all or some
<a for=/>nodes</a>. The algorithm is passed no argument and is called from <a for=/>insert</a>.
</div>

<div algorithm=insert>
<p>To <dfn export id=concept-node-insert>insert</dfn> a <a for=/>node</a> <var>node</var> into a
<a for=/>node</a> <var>parent</var> before null or a <a for=/>node</a> <var>child</var>, with an
Expand Down Expand Up @@ -2952,7 +2958,8 @@ optional boolean <dfn for="insert"><var>suppressObservers</var></dfn> (default f
<li><p>If <var>suppressObservers</var> is false, then <a>queue a tree mutation record</a> for
<var>parent</var> with <var>nodes</var>, « », <var>previousSibling</var>, and <var>child</var>.

<li><p>Run the <a>children changed steps</a> for <var>parent</var>.
<li><p>Run the <a>children inserted steps</a> for <var>parent</var>. If those are not defined, run
the <a>children changed steps</a> for <var>parent</var>.

<li>
<p>Let <var>staticNodeList</var> be a <a for=/>list</a> of <a for=/>nodes</a>, initially « ».</p>
Expand Down