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Call out inconsistency in document.body behavior #3449

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Feb 12, 2018
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Call out inconsistency in document.body behavior #3449

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Editorial: call out inconsistency in document.body behavior
zcorpan Feb 5, 2018
366b025
Reword note and add an example
zcorpan Feb 12, 2018
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Expand Up @@ -9606,6 +9606,23 @@ partial interface <dfn id="document" data-lt="">Document</dfn> {

</ol>

<p class="note">The value returned by the <code data-x="dom-document-body">body</code> getter is
not always the one passed to the setter.</p>

<div class="example">
<p>In this example, the setter successfully inserts a <code>body</code> element (though this is
non-conforming since SVG does not allow a <code>body</code> as child of <span>SVG
<code>svg</code></span>). However the getter will return null because the document element is not
<code>html</code>.</p>

<pre>&lt;svg xmlns="http://www.w3.org/2000/svg">
&lt;script>
document.body = document.createElementNS("http://www.w3.org/1999/xhtml", "body");
console.assert(document.body === null);
&lt;/script>
&lt;/svg></pre>
</div>

</div>

<hr>
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